Home / 18,377.19-25,331.13-14,490.18

Finding the Fourth Proportional to 18,377.19, 25,331.13 and 14,490.18

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Solution

The fourth proportional to 18,377.19, 25,331.13 and 14,490.18 is: 19,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.19 : 25,331.13 = 14,490.18 : x
  2. Step 2: Convert to fraction form
    18,377.19/25,331.13 = 14,490.18/x
  3. Step 3: Cross multiply
    18,377.19x = 25,331.13 × 14,490.18
  4. Step 4: Simplify right side
    18,377.19x = 367,052,633.30
  5. Step 5: Solve for x
    x = 367,052,633.30/18,377.19
  6. Step 6: Final answer
    x = 19,973.27

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Half scale
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Double scale
Find fourth proportional to 18,378.19, 25,332.51 and 14,491.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.