Home / 9,318.60-13,872.24-9,269.32

Finding the Fourth Proportional to 9,318.60, 13,872.24 and 9,269.32

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Solution

The fourth proportional to 9,318.60, 13,872.24 and 9,269.32 is: 13,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.60 : 13,872.24 = 9,269.32 : x
  2. Step 2: Convert to fraction form
    9,318.60/13,872.24 = 9,269.32/x
  3. Step 3: Cross multiply
    9,318.60x = 13,872.24 × 9,269.32
  4. Step 4: Simplify right side
    9,318.60x = 128,586,231.68
  5. Step 5: Solve for x
    x = 128,586,231.68/9,318.60
  6. Step 6: Final answer
    x = 13,798.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.