Home / 10,887.48-16,331.13-5,258.58

Finding the Fourth Proportional to 10,887.48, 16,331.13 and 5,258.58

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Solution

The fourth proportional to 10,887.48, 16,331.13 and 5,258.58 is: 7,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.48 : 16,331.13 = 5,258.58 : x
  2. Step 2: Convert to fraction form
    10,887.48/16,331.13 = 5,258.58/x
  3. Step 3: Cross multiply
    10,887.48x = 16,331.13 × 5,258.58
  4. Step 4: Simplify right side
    10,887.48x = 85,878,553.60
  5. Step 5: Solve for x
    x = 85,878,553.60/10,887.48
  6. Step 6: Final answer
    x = 7,887.83

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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.