Home / 21,660.47-32,493.12-9,008.87

Finding the Fourth Proportional to 21,660.47, 32,493.12 and 9,008.87

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Solution

The fourth proportional to 21,660.47, 32,493.12 and 9,008.87 is: 13,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660.47 : 32,493.12 = 9,008.87 : x
  2. Step 2: Convert to fraction form
    21,660.47/32,493.12 = 9,008.87/x
  3. Step 3: Cross multiply
    21,660.47x = 32,493.12 × 9,008.87
  4. Step 4: Simplify right side
    21,660.47x = 292,726,131.51
  5. Step 5: Solve for x
    x = 292,726,131.51/21,660.47
  6. Step 6: Final answer
    x = 13,514.31

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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.