Home / 21,332.70-32,003.51-8,184.98

Finding the Fourth Proportional to 21,332.70, 32,003.51 and 8,184.98

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Solution

The fourth proportional to 21,332.70, 32,003.51 and 8,184.98 is: 12,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.70 : 32,003.51 = 8,184.98 : x
  2. Step 2: Convert to fraction form
    21,332.70/32,003.51 = 8,184.98/x
  3. Step 3: Cross multiply
    21,332.70x = 32,003.51 × 8,184.98
  4. Step 4: Simplify right side
    21,332.70x = 261,948,128.36
  5. Step 5: Solve for x
    x = 261,948,128.36/21,332.70
  6. Step 6: Final answer
    x = 12,279.18

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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.