Home / 10,212.27-14,101.92-6,442.17

Finding the Fourth Proportional to 10,212.27, 14,101.92 and 6,442.17

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Solution

The fourth proportional to 10,212.27, 14,101.92 and 6,442.17 is: 8,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.27 : 14,101.92 = 6,442.17 : x
  2. Step 2: Convert to fraction form
    10,212.27/14,101.92 = 6,442.17/x
  3. Step 3: Cross multiply
    10,212.27x = 14,101.92 × 6,442.17
  4. Step 4: Simplify right side
    10,212.27x = 90,846,965.97
  5. Step 5: Solve for x
    x = 90,846,965.97/10,212.27
  6. Step 6: Final answer
    x = 8,895.86

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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.