Home / 9,811.38-14,684.24-9,680.16

Finding the Fourth Proportional to 9,811.38, 14,684.24 and 9,680.16

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Solution

The fourth proportional to 9,811.38, 14,684.24 and 9,680.16 is: 14,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.38 : 14,684.24 = 9,680.16 : x
  2. Step 2: Convert to fraction form
    9,811.38/14,684.24 = 9,680.16/x
  3. Step 3: Cross multiply
    9,811.38x = 14,684.24 × 9,680.16
  4. Step 4: Simplify right side
    9,811.38x = 142,145,792.68
  5. Step 5: Solve for x
    x = 142,145,792.68/9,811.38
  6. Step 6: Final answer
    x = 14,487.85

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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.