Home / 10,220.20-14,104.38-5,743.72

Finding the Fourth Proportional to 10,220.20, 14,104.38 and 5,743.72

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Solution

The fourth proportional to 10,220.20, 14,104.38 and 5,743.72 is: 7,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.20 : 14,104.38 = 5,743.72 : x
  2. Step 2: Convert to fraction form
    10,220.20/14,104.38 = 5,743.72/x
  3. Step 3: Cross multiply
    10,220.20x = 14,104.38 × 5,743.72
  4. Step 4: Simplify right side
    10,220.20x = 81,011,609.49
  5. Step 5: Solve for x
    x = 81,011,609.49/10,220.20
  6. Step 6: Final answer
    x = 7,926.62

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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.