Home / 21,658.97-32,490.87-9,007.37

Finding the Fourth Proportional to 21,658.97, 32,490.87 and 9,007.37

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Solution

The fourth proportional to 21,658.97, 32,490.87 and 9,007.37 is: 13,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.97 : 32,490.87 = 9,007.37 : x
  2. Step 2: Convert to fraction form
    21,658.97/32,490.87 = 9,007.37/x
  3. Step 3: Cross multiply
    21,658.97x = 32,490.87 × 9,007.37
  4. Step 4: Simplify right side
    21,658.97x = 292,657,125.26
  5. Step 5: Solve for x
    x = 292,657,125.26/21,658.97
  6. Step 6: Final answer
    x = 13,512.05

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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.