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Finding the Fourth Proportional to 12,637.86, 17,437.56 and 7,332

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Solution

The fourth proportional to 12,637.86, 17,437.56 and 7,332 is: 10,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.86 : 17,437.56 = 7,332 : x
  2. Step 2: Convert to fraction form
    12,637.86/17,437.56 = 7,332/x
  3. Step 3: Cross multiply
    12,637.86x = 17,437.56 × 7,332
  4. Step 4: Simplify right side
    12,637.86x = 127,852,189.92
  5. Step 5: Solve for x
    x = 127,852,189.92/12,637.86
  6. Step 6: Final answer
    x = 10,116.60

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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.