Home / 11,149.14-15,385.47-6,113.31

Finding the Fourth Proportional to 11,149.14, 15,385.47 and 6,113.31

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Solution

The fourth proportional to 11,149.14, 15,385.47 and 6,113.31 is: 8,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.14 : 15,385.47 = 6,113.31 : x
  2. Step 2: Convert to fraction form
    11,149.14/15,385.47 = 6,113.31/x
  3. Step 3: Cross multiply
    11,149.14x = 15,385.47 × 6,113.31
  4. Step 4: Simplify right side
    11,149.14x = 94,056,147.61
  5. Step 5: Solve for x
    x = 94,056,147.61/11,149.14
  6. Step 6: Final answer
    x = 8,436.18

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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.