Home / 10,278.52-14,187.90-6,086.56

Finding the Fourth Proportional to 10,278.52, 14,187.90 and 6,086.56

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Solution

The fourth proportional to 10,278.52, 14,187.90 and 6,086.56 is: 8,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.52 : 14,187.90 = 6,086.56 : x
  2. Step 2: Convert to fraction form
    10,278.52/14,187.90 = 6,086.56/x
  3. Step 3: Cross multiply
    10,278.52x = 14,187.90 × 6,086.56
  4. Step 4: Simplify right side
    10,278.52x = 86,355,504.62
  5. Step 5: Solve for x
    x = 86,355,504.62/10,278.52
  6. Step 6: Final answer
    x = 8,401.55

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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.