Home / 10,100.70-13,938.48-6,327.72

Finding the Fourth Proportional to 10,100.70, 13,938.48 and 6,327.72

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Solution

The fourth proportional to 10,100.70, 13,938.48 and 6,327.72 is: 8,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.70 : 13,938.48 = 6,327.72 : x
  2. Step 2: Convert to fraction form
    10,100.70/13,938.48 = 6,327.72/x
  3. Step 3: Cross multiply
    10,100.70x = 13,938.48 × 6,327.72
  4. Step 4: Simplify right side
    10,100.70x = 88,198,798.67
  5. Step 5: Solve for x
    x = 88,198,798.67/10,100.70
  6. Step 6: Final answer
    x = 8,731.95

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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.