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Finding the Fourth Proportional to 16,643.27, 24,965.15 and 9,294.51

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Solution

The fourth proportional to 16,643.27, 24,965.15 and 9,294.51 is: 13,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.27 : 24,965.15 = 9,294.51 : x
  2. Step 2: Convert to fraction form
    16,643.27/24,965.15 = 9,294.51/x
  3. Step 3: Cross multiply
    16,643.27x = 24,965.15 × 9,294.51
  4. Step 4: Simplify right side
    16,643.27x = 232,038,883.47
  5. Step 5: Solve for x
    x = 232,038,883.47/16,643.27
  6. Step 6: Final answer
    x = 13,941.90

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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.