Home / 10,100.76-13,937.01-6,119.56

Finding the Fourth Proportional to 10,100.76, 13,937.01 and 6,119.56

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Solution

The fourth proportional to 10,100.76, 13,937.01 and 6,119.56 is: 8,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.76 : 13,937.01 = 6,119.56 : x
  2. Step 2: Convert to fraction form
    10,100.76/13,937.01 = 6,119.56/x
  3. Step 3: Cross multiply
    10,100.76x = 13,937.01 × 6,119.56
  4. Step 4: Simplify right side
    10,100.76x = 85,288,363.39
  5. Step 5: Solve for x
    x = 85,288,363.39/10,100.76
  6. Step 6: Final answer
    x = 8,443.76

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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.