Home / 10,125.60-13,972.88-7,472.04

Finding the Fourth Proportional to 10,125.60, 13,972.88 and 7,472.04

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Solution

The fourth proportional to 10,125.60, 13,972.88 and 7,472.04 is: 10,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.60 : 13,972.88 = 7,472.04 : x
  2. Step 2: Convert to fraction form
    10,125.60/13,972.88 = 7,472.04/x
  3. Step 3: Cross multiply
    10,125.60x = 13,972.88 × 7,472.04
  4. Step 4: Simplify right side
    10,125.60x = 104,405,918.28
  5. Step 5: Solve for x
    x = 104,405,918.28/10,125.60
  6. Step 6: Final answer
    x = 10,311.08

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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.