Home / 10,126.27-15,189.40-3,200.77

Finding the Fourth Proportional to 10,126.27, 15,189.40 and 3,200.77

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Solution

The fourth proportional to 10,126.27, 15,189.40 and 3,200.77 is: 4,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.27 : 15,189.40 = 3,200.77 : x
  2. Step 2: Convert to fraction form
    10,126.27/15,189.40 = 3,200.77/x
  3. Step 3: Cross multiply
    10,126.27x = 15,189.40 × 3,200.77
  4. Step 4: Simplify right side
    10,126.27x = 48,617,704.38
  5. Step 5: Solve for x
    x = 48,617,704.38/10,126.27
  6. Step 6: Final answer
    x = 4,801.15

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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.