Home / 9,143.47-13,704.85-4,202.91

Finding the Fourth Proportional to 9,143.47, 13,704.85 and 4,202.91

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Solution

The fourth proportional to 9,143.47, 13,704.85 and 4,202.91 is: 6,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.47 : 13,704.85 = 4,202.91 : x
  2. Step 2: Convert to fraction form
    9,143.47/13,704.85 = 4,202.91/x
  3. Step 3: Cross multiply
    9,143.47x = 13,704.85 × 4,202.91
  4. Step 4: Simplify right side
    9,143.47x = 57,600,251.11
  5. Step 5: Solve for x
    x = 57,600,251.11/9,143.47
  6. Step 6: Final answer
    x = 6,299.61

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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.