Home / 16,218.48-24,314.76-6,990.96

Finding the Fourth Proportional to 16,218.48, 24,314.76 and 6,990.96

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Solution

The fourth proportional to 16,218.48, 24,314.76 and 6,990.96 is: 10,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.48 : 24,314.76 = 6,990.96 : x
  2. Step 2: Convert to fraction form
    16,218.48/24,314.76 = 6,990.96/x
  3. Step 3: Cross multiply
    16,218.48x = 24,314.76 × 6,990.96
  4. Step 4: Simplify right side
    16,218.48x = 169,983,514.57
  5. Step 5: Solve for x
    x = 169,983,514.57/16,218.48
  6. Step 6: Final answer
    x = 10,480.85

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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.