Home / 10,543.56-15,815.34-3,971.22

Finding the Fourth Proportional to 10,543.56, 15,815.34 and 3,971.22

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Solution

The fourth proportional to 10,543.56, 15,815.34 and 3,971.22 is: 5,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.56 : 15,815.34 = 3,971.22 : x
  2. Step 2: Convert to fraction form
    10,543.56/15,815.34 = 3,971.22/x
  3. Step 3: Cross multiply
    10,543.56x = 15,815.34 × 3,971.22
  4. Step 4: Simplify right side
    10,543.56x = 62,806,194.51
  5. Step 5: Solve for x
    x = 62,806,194.51/10,543.56
  6. Step 6: Final answer
    x = 5,956.83

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.