Home / 10,311.04-15,477.50-9,132.73

Finding the Fourth Proportional to 10,311.04, 15,477.50 and 9,132.73

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Solution

The fourth proportional to 10,311.04, 15,477.50 and 9,132.73 is: 13,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.04 : 15,477.50 = 9,132.73 : x
  2. Step 2: Convert to fraction form
    10,311.04/15,477.50 = 9,132.73/x
  3. Step 3: Cross multiply
    10,311.04x = 15,477.50 × 9,132.73
  4. Step 4: Simplify right side
    10,311.04x = 141,351,812.71
  5. Step 5: Solve for x
    x = 141,351,812.71/10,311.04
  6. Step 6: Final answer
    x = 13,708.79

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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.