Home / 16,403.60-24,605.40-5,311.10

Finding the Fourth Proportional to 16,403.60, 24,605.40 and 5,311.10

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Solution

The fourth proportional to 16,403.60, 24,605.40 and 5,311.10 is: 7,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.60 : 24,605.40 = 5,311.10 : x
  2. Step 2: Convert to fraction form
    16,403.60/24,605.40 = 5,311.10/x
  3. Step 3: Cross multiply
    16,403.60x = 24,605.40 × 5,311.10
  4. Step 4: Simplify right side
    16,403.60x = 130,681,739.94
  5. Step 5: Solve for x
    x = 130,681,739.94/16,403.60
  6. Step 6: Final answer
    x = 7,966.65

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Similar ratio
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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.