Home / 21,484.08-32,230.92-8,997.90

Finding the Fourth Proportional to 21,484.08, 32,230.92 and 8,997.90

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Solution

The fourth proportional to 21,484.08, 32,230.92 and 8,997.90 is: 13,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.08 : 32,230.92 = 8,997.90 : x
  2. Step 2: Convert to fraction form
    21,484.08/32,230.92 = 8,997.90/x
  3. Step 3: Cross multiply
    21,484.08x = 32,230.92 × 8,997.90
  4. Step 4: Simplify right side
    21,484.08x = 290,010,595.07
  5. Step 5: Solve for x
    x = 290,010,595.07/21,484.08
  6. Step 6: Final answer
    x = 13,498.86

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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.