Home / 21,718.08-32,581.60-11,327.04

Finding the Fourth Proportional to 21,718.08, 32,581.60 and 11,327.04

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Solution

The fourth proportional to 21,718.08, 32,581.60 and 11,327.04 is: 16,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.08 : 32,581.60 = 11,327.04 : x
  2. Step 2: Convert to fraction form
    21,718.08/32,581.60 = 11,327.04/x
  3. Step 3: Cross multiply
    21,718.08x = 32,581.60 × 11,327.04
  4. Step 4: Simplify right side
    21,718.08x = 369,053,086.46
  5. Step 5: Solve for x
    x = 369,053,086.46/21,718.08
  6. Step 6: Final answer
    x = 16,992.90

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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.