Home / 10,125.85-15,192.42-3,553.06

Finding the Fourth Proportional to 10,125.85, 15,192.42 and 3,553.06

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Solution

The fourth proportional to 10,125.85, 15,192.42 and 3,553.06 is: 5,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.85 : 15,192.42 = 3,553.06 : x
  2. Step 2: Convert to fraction form
    10,125.85/15,192.42 = 3,553.06/x
  3. Step 3: Cross multiply
    10,125.85x = 15,192.42 × 3,553.06
  4. Step 4: Simplify right side
    10,125.85x = 53,979,528.50
  5. Step 5: Solve for x
    x = 53,979,528.50/10,125.85
  6. Step 6: Final answer
    x = 5,330.87

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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.