Home / 21,331.92-32,006.40-11,468.55

Finding the Fourth Proportional to 21,331.92, 32,006.40 and 11,468.55

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Solution

The fourth proportional to 21,331.92, 32,006.40 and 11,468.55 is: 17,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.92 : 32,006.40 = 11,468.55 : x
  2. Step 2: Convert to fraction form
    21,331.92/32,006.40 = 11,468.55/x
  3. Step 3: Cross multiply
    21,331.92x = 32,006.40 × 11,468.55
  4. Step 4: Simplify right side
    21,331.92x = 367,066,998.72
  5. Step 5: Solve for x
    x = 367,066,998.72/21,331.92
  6. Step 6: Final answer
    x = 17,207.41

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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.