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Finding the Fourth Proportional to 14,305.29, 19,737.99 and 9,007.08

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Solution

The fourth proportional to 14,305.29, 19,737.99 and 9,007.08 is: 12,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.29 : 19,737.99 = 9,007.08 : x
  2. Step 2: Convert to fraction form
    14,305.29/19,737.99 = 9,007.08/x
  3. Step 3: Cross multiply
    14,305.29x = 19,737.99 × 9,007.08
  4. Step 4: Simplify right side
    14,305.29x = 177,781,654.97
  5. Step 5: Solve for x
    x = 177,781,654.97/14,305.29
  6. Step 6: Final answer
    x = 12,427.69

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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.