Home / 10,100.60-13,940.78-6,123.89

Finding the Fourth Proportional to 10,100.60, 13,940.78 and 6,123.89

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Solution

The fourth proportional to 10,100.60, 13,940.78 and 6,123.89 is: 8,452.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.60 : 13,940.78 = 6,123.89 : x
  2. Step 2: Convert to fraction form
    10,100.60/13,940.78 = 6,123.89/x
  3. Step 3: Cross multiply
    10,100.60x = 13,940.78 × 6,123.89
  4. Step 4: Simplify right side
    10,100.60x = 85,371,772.61
  5. Step 5: Solve for x
    x = 85,371,772.61/10,100.60
  6. Step 6: Final answer
    x = 8,452.15

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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.