Home / 21,332.33-32,003.01-8,184.68

Finding the Fourth Proportional to 21,332.33, 32,003.01 and 8,184.68

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Solution

The fourth proportional to 21,332.33, 32,003.01 and 8,184.68 is: 12,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.33 : 32,003.01 = 8,184.68 : x
  2. Step 2: Convert to fraction form
    21,332.33/32,003.01 = 8,184.68/x
  3. Step 3: Cross multiply
    21,332.33x = 32,003.01 × 8,184.68
  4. Step 4: Simplify right side
    21,332.33x = 261,934,235.87
  5. Step 5: Solve for x
    x = 261,934,235.87/21,332.33
  6. Step 6: Final answer
    x = 12,278.75

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1.5x scale

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.