Home / 11,139.80-15,373.17-6,104.25

Finding the Fourth Proportional to 11,139.80, 15,373.17 and 6,104.25

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Solution

The fourth proportional to 11,139.80, 15,373.17 and 6,104.25 is: 8,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.80 : 15,373.17 = 6,104.25 : x
  2. Step 2: Convert to fraction form
    11,139.80/15,373.17 = 6,104.25/x
  3. Step 3: Cross multiply
    11,139.80x = 15,373.17 × 6,104.25
  4. Step 4: Simplify right side
    11,139.80x = 93,841,672.97
  5. Step 5: Solve for x
    x = 93,841,672.97/11,139.80
  6. Step 6: Final answer
    x = 8,424.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.