Home / 11,985.59-17,962.75-6,432.43

Finding the Fourth Proportional to 11,985.59, 17,962.75 and 6,432.43

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Solution

The fourth proportional to 11,985.59, 17,962.75 and 6,432.43 is: 9,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.59 : 17,962.75 = 6,432.43 : x
  2. Step 2: Convert to fraction form
    11,985.59/17,962.75 = 6,432.43/x
  3. Step 3: Cross multiply
    11,985.59x = 17,962.75 × 6,432.43
  4. Step 4: Simplify right side
    11,985.59x = 115,544,092.61
  5. Step 5: Solve for x
    x = 115,544,092.61/11,985.59
  6. Step 6: Final answer
    x = 9,640.25

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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.