Home / 21,711.18-32,582.32-9,239.96

Finding the Fourth Proportional to 21,711.18, 32,582.32 and 9,239.96

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Solution

The fourth proportional to 21,711.18, 32,582.32 and 9,239.96 is: 13,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.18 : 32,582.32 = 9,239.96 : x
  2. Step 2: Convert to fraction form
    21,711.18/32,582.32 = 9,239.96/x
  3. Step 3: Cross multiply
    21,711.18x = 32,582.32 × 9,239.96
  4. Step 4: Simplify right side
    21,711.18x = 301,059,391.86
  5. Step 5: Solve for x
    x = 301,059,391.86/21,711.18
  6. Step 6: Final answer
    x = 13,866.56

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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.