Home / 10,127.92-15,196.74-3,557.20

Finding the Fourth Proportional to 10,127.92, 15,196.74 and 3,557.20

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Solution

The fourth proportional to 10,127.92, 15,196.74 and 3,557.20 is: 5,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.92 : 15,196.74 = 3,557.20 : x
  2. Step 2: Convert to fraction form
    10,127.92/15,196.74 = 3,557.20/x
  3. Step 3: Cross multiply
    10,127.92x = 15,196.74 × 3,557.20
  4. Step 4: Simplify right side
    10,127.92x = 54,057,843.53
  5. Step 5: Solve for x
    x = 54,057,843.53/10,127.92
  6. Step 6: Final answer
    x = 5,337.51

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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.