Home / 10,221.29-14,104.92-5,972.74

Finding the Fourth Proportional to 10,221.29, 14,104.92 and 5,972.74

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Solution

The fourth proportional to 10,221.29, 14,104.92 and 5,972.74 is: 8,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.29 : 14,104.92 = 5,972.74 : x
  2. Step 2: Convert to fraction form
    10,221.29/14,104.92 = 5,972.74/x
  3. Step 3: Cross multiply
    10,221.29x = 14,104.92 × 5,972.74
  4. Step 4: Simplify right side
    10,221.29x = 84,245,019.88
  5. Step 5: Solve for x
    x = 84,245,019.88/10,221.29
  6. Step 6: Final answer
    x = 8,242.11

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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.