Home / 11,337.44-15,641.28-8,360.36

Finding the Fourth Proportional to 11,337.44, 15,641.28 and 8,360.36

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Solution

The fourth proportional to 11,337.44, 15,641.28 and 8,360.36 is: 11,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.44 : 15,641.28 = 8,360.36 : x
  2. Step 2: Convert to fraction form
    11,337.44/15,641.28 = 8,360.36/x
  3. Step 3: Cross multiply
    11,337.44x = 15,641.28 × 8,360.36
  4. Step 4: Simplify right side
    11,337.44x = 130,766,731.66
  5. Step 5: Solve for x
    x = 130,766,731.66/11,337.44
  6. Step 6: Final answer
    x = 11,534.06

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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.