Home / 16,449.40-24,657.90-8,130.70

Finding the Fourth Proportional to 16,449.40, 24,657.90 and 8,130.70

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Solution

The fourth proportional to 16,449.40, 24,657.90 and 8,130.70 is: 12,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.40 : 24,657.90 = 8,130.70 : x
  2. Step 2: Convert to fraction form
    16,449.40/24,657.90 = 8,130.70/x
  3. Step 3: Cross multiply
    16,449.40x = 24,657.90 × 8,130.70
  4. Step 4: Simplify right side
    16,449.40x = 200,485,987.53
  5. Step 5: Solve for x
    x = 200,485,987.53/16,449.40
  6. Step 6: Final answer
    x = 12,188.04

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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.