Home / 21,498.13-32,234.23-9,649.75

Finding the Fourth Proportional to 21,498.13, 32,234.23 and 9,649.75

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Solution

The fourth proportional to 21,498.13, 32,234.23 and 9,649.75 is: 14,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.13 : 32,234.23 = 9,649.75 : x
  2. Step 2: Convert to fraction form
    21,498.13/32,234.23 = 9,649.75/x
  3. Step 3: Cross multiply
    21,498.13x = 32,234.23 × 9,649.75
  4. Step 4: Simplify right side
    21,498.13x = 311,052,260.94
  5. Step 5: Solve for x
    x = 311,052,260.94/21,498.13
  6. Step 6: Final answer
    x = 14,468.81

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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.