Home / 10,951.60-16,427.40-5,108.80

Finding the Fourth Proportional to 10,951.60, 16,427.40 and 5,108.80

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Solution

The fourth proportional to 10,951.60, 16,427.40 and 5,108.80 is: 7,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.60 : 16,427.40 = 5,108.80 : x
  2. Step 2: Convert to fraction form
    10,951.60/16,427.40 = 5,108.80/x
  3. Step 3: Cross multiply
    10,951.60x = 16,427.40 × 5,108.80
  4. Step 4: Simplify right side
    10,951.60x = 83,924,301.12
  5. Step 5: Solve for x
    x = 83,924,301.12/10,951.60
  6. Step 6: Final answer
    x = 7,663.20

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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.