Home / 18,490.22-25,519.16-10,533.20

Finding the Fourth Proportional to 18,490.22, 25,519.16 and 10,533.20

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Solution

The fourth proportional to 18,490.22, 25,519.16 and 10,533.20 is: 14,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.22 : 25,519.16 = 10,533.20 : x
  2. Step 2: Convert to fraction form
    18,490.22/25,519.16 = 10,533.20/x
  3. Step 3: Cross multiply
    18,490.22x = 25,519.16 × 10,533.20
  4. Step 4: Simplify right side
    18,490.22x = 268,798,416.11
  5. Step 5: Solve for x
    x = 268,798,416.11/18,490.22
  6. Step 6: Final answer
    x = 14,537.33

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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.