Home / 16,218.60-24,327.90-10,381.80

Finding the Fourth Proportional to 16,218.60, 24,327.90 and 10,381.80

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Solution

The fourth proportional to 16,218.60, 24,327.90 and 10,381.80 is: 15,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.60 : 24,327.90 = 10,381.80 : x
  2. Step 2: Convert to fraction form
    16,218.60/24,327.90 = 10,381.80/x
  3. Step 3: Cross multiply
    16,218.60x = 24,327.90 × 10,381.80
  4. Step 4: Simplify right side
    16,218.60x = 252,567,392.22
  5. Step 5: Solve for x
    x = 252,567,392.22/16,218.60
  6. Step 6: Final answer
    x = 15,572.70

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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.