Home / 18,501.23-25,534.71-13,752.70

Finding the Fourth Proportional to 18,501.23, 25,534.71 and 13,752.70

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Solution

The fourth proportional to 18,501.23, 25,534.71 and 13,752.70 is: 18,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.23 : 25,534.71 = 13,752.70 : x
  2. Step 2: Convert to fraction form
    18,501.23/25,534.71 = 13,752.70/x
  3. Step 3: Cross multiply
    18,501.23x = 25,534.71 × 13,752.70
  4. Step 4: Simplify right side
    18,501.23x = 351,171,137.45
  5. Step 5: Solve for x
    x = 351,171,137.45/18,501.23
  6. Step 6: Final answer
    x = 18,980.97

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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.