Home / 16,179.60-24,269.40-6,319.20

Finding the Fourth Proportional to 16,179.60, 24,269.40 and 6,319.20

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Solution

The fourth proportional to 16,179.60, 24,269.40 and 6,319.20 is: 9,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.60 : 24,269.40 = 6,319.20 : x
  2. Step 2: Convert to fraction form
    16,179.60/24,269.40 = 6,319.20/x
  3. Step 3: Cross multiply
    16,179.60x = 24,269.40 × 6,319.20
  4. Step 4: Simplify right side
    16,179.60x = 153,363,192.48
  5. Step 5: Solve for x
    x = 153,363,192.48/16,179.60
  6. Step 6: Final answer
    x = 9,478.80

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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.