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Finding the Fourth Proportional to 14,254.68, 21,382.02 and 6,355.16

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Solution

The fourth proportional to 14,254.68, 21,382.02 and 6,355.16 is: 9,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.68 : 21,382.02 = 6,355.16 : x
  2. Step 2: Convert to fraction form
    14,254.68/21,382.02 = 6,355.16/x
  3. Step 3: Cross multiply
    14,254.68x = 21,382.02 × 6,355.16
  4. Step 4: Simplify right side
    14,254.68x = 135,886,019.54
  5. Step 5: Solve for x
    x = 135,886,019.54/14,254.68
  6. Step 6: Final answer
    x = 9,532.73

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Similar ratio
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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.