Home / 11,512.95-17,258.90-5,588.61

Finding the Fourth Proportional to 11,512.95, 17,258.90 and 5,588.61

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Solution

The fourth proportional to 11,512.95, 17,258.90 and 5,588.61 is: 8,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.95 : 17,258.90 = 5,588.61 : x
  2. Step 2: Convert to fraction form
    11,512.95/17,258.90 = 5,588.61/x
  3. Step 3: Cross multiply
    11,512.95x = 17,258.90 × 5,588.61
  4. Step 4: Simplify right side
    11,512.95x = 96,453,233.19
  5. Step 5: Solve for x
    x = 96,453,233.19/11,512.95
  6. Step 6: Final answer
    x = 8,377.80

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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.