Home / 11,490.93-17,236.86-5,251.29

Finding the Fourth Proportional to 11,490.93, 17,236.86 and 5,251.29

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Solution

The fourth proportional to 11,490.93, 17,236.86 and 5,251.29 is: 7,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.93 : 17,236.86 = 5,251.29 : x
  2. Step 2: Convert to fraction form
    11,490.93/17,236.86 = 5,251.29/x
  3. Step 3: Cross multiply
    11,490.93x = 17,236.86 × 5,251.29
  4. Step 4: Simplify right side
    11,490.93x = 90,515,750.55
  5. Step 5: Solve for x
    x = 90,515,750.55/11,490.93
  6. Step 6: Final answer
    x = 7,877.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.