Home / 10,192.10-15,288.16-3,618.29

Finding the Fourth Proportional to 10,192.10, 15,288.16 and 3,618.29

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Solution

The fourth proportional to 10,192.10, 15,288.16 and 3,618.29 is: 5,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.10 : 15,288.16 = 3,618.29 : x
  2. Step 2: Convert to fraction form
    10,192.10/15,288.16 = 3,618.29/x
  3. Step 3: Cross multiply
    10,192.10x = 15,288.16 × 3,618.29
  4. Step 4: Simplify right side
    10,192.10x = 55,316,963.39
  5. Step 5: Solve for x
    x = 55,316,963.39/10,192.10
  6. Step 6: Final answer
    x = 5,427.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.