Home / 9,672.20-13,355.17-7,430.52

Finding the Fourth Proportional to 9,672.20, 13,355.17 and 7,430.52

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Solution

The fourth proportional to 9,672.20, 13,355.17 and 7,430.52 is: 10,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.20 : 13,355.17 = 7,430.52 : x
  2. Step 2: Convert to fraction form
    9,672.20/13,355.17 = 7,430.52/x
  3. Step 3: Cross multiply
    9,672.20x = 13,355.17 × 7,430.52
  4. Step 4: Simplify right side
    9,672.20x = 99,235,839.21
  5. Step 5: Solve for x
    x = 99,235,839.21/9,672.20
  6. Step 6: Final answer
    x = 10,259.91

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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.