Home / 16,581.20-24,871.80-5,489.60

Finding the Fourth Proportional to 16,581.20, 24,871.80 and 5,489.60

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Solution

The fourth proportional to 16,581.20, 24,871.80 and 5,489.60 is: 8,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.20 : 24,871.80 = 5,489.60 : x
  2. Step 2: Convert to fraction form
    16,581.20/24,871.80 = 5,489.60/x
  3. Step 3: Cross multiply
    16,581.20x = 24,871.80 × 5,489.60
  4. Step 4: Simplify right side
    16,581.20x = 136,536,233.28
  5. Step 5: Solve for x
    x = 136,536,233.28/16,581.20
  6. Step 6: Final answer
    x = 8,234.40

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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.