Home / 11,149.01-15,385.02-6,112.97

Finding the Fourth Proportional to 11,149.01, 15,385.02 and 6,112.97

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Solution

The fourth proportional to 11,149.01, 15,385.02 and 6,112.97 is: 8,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.01 : 15,385.02 = 6,112.97 : x
  2. Step 2: Convert to fraction form
    11,149.01/15,385.02 = 6,112.97/x
  3. Step 3: Cross multiply
    11,149.01x = 15,385.02 × 6,112.97
  4. Step 4: Simplify right side
    11,149.01x = 94,048,088.78
  5. Step 5: Solve for x
    x = 94,048,088.78/11,149.01
  6. Step 6: Final answer
    x = 8,435.56

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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.