Home / 11,081.64-15,280.26-9,058.74

Finding the Fourth Proportional to 11,081.64, 15,280.26 and 9,058.74

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Solution

The fourth proportional to 11,081.64, 15,280.26 and 9,058.74 is: 12,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.64 : 15,280.26 = 9,058.74 : x
  2. Step 2: Convert to fraction form
    11,081.64/15,280.26 = 9,058.74/x
  3. Step 3: Cross multiply
    11,081.64x = 15,280.26 × 9,058.74
  4. Step 4: Simplify right side
    11,081.64x = 138,419,902.47
  5. Step 5: Solve for x
    x = 138,419,902.47/11,081.64
  6. Step 6: Final answer
    x = 12,490.92

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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.