Home / 15,753.96-21,734.10-10,087.20

Finding the Fourth Proportional to 15,753.96, 21,734.10 and 10,087.20

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Solution

The fourth proportional to 15,753.96, 21,734.10 and 10,087.20 is: 13,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.96 : 21,734.10 = 10,087.20 : x
  2. Step 2: Convert to fraction form
    15,753.96/21,734.10 = 10,087.20/x
  3. Step 3: Cross multiply
    15,753.96x = 21,734.10 × 10,087.20
  4. Step 4: Simplify right side
    15,753.96x = 219,236,213.52
  5. Step 5: Solve for x
    x = 219,236,213.52/15,753.96
  6. Step 6: Final answer
    x = 13,916.26

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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.