Home / 9,431.76-14,139.30-8,053.92

Finding the Fourth Proportional to 9,431.76, 14,139.30 and 8,053.92

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Solution

The fourth proportional to 9,431.76, 14,139.30 and 8,053.92 is: 12,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.76 : 14,139.30 = 8,053.92 : x
  2. Step 2: Convert to fraction form
    9,431.76/14,139.30 = 8,053.92/x
  3. Step 3: Cross multiply
    9,431.76x = 14,139.30 × 8,053.92
  4. Step 4: Simplify right side
    9,431.76x = 113,876,791.06
  5. Step 5: Solve for x
    x = 113,876,791.06/9,431.76
  6. Step 6: Final answer
    x = 12,073.76

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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.