Home / 10,957.60-16,436.40-3,167.20

Finding the Fourth Proportional to 10,957.60, 16,436.40 and 3,167.20

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Solution

The fourth proportional to 10,957.60, 16,436.40 and 3,167.20 is: 4,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.60 : 16,436.40 = 3,167.20 : x
  2. Step 2: Convert to fraction form
    10,957.60/16,436.40 = 3,167.20/x
  3. Step 3: Cross multiply
    10,957.60x = 16,436.40 × 3,167.20
  4. Step 4: Simplify right side
    10,957.60x = 52,057,366.08
  5. Step 5: Solve for x
    x = 52,057,366.08/10,957.60
  6. Step 6: Final answer
    x = 4,750.80

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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.