Home / 11,380.52-15,703.56-6,344.15

Finding the Fourth Proportional to 11,380.52, 15,703.56 and 6,344.15

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Solution

The fourth proportional to 11,380.52, 15,703.56 and 6,344.15 is: 8,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.52 : 15,703.56 = 6,344.15 : x
  2. Step 2: Convert to fraction form
    11,380.52/15,703.56 = 6,344.15/x
  3. Step 3: Cross multiply
    11,380.52x = 15,703.56 × 6,344.15
  4. Step 4: Simplify right side
    11,380.52x = 99,625,661.66
  5. Step 5: Solve for x
    x = 99,625,661.66/11,380.52
  6. Step 6: Final answer
    x = 8,754.05

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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.