Home / 10,512.09-15,767.76-4,271.97

Finding the Fourth Proportional to 10,512.09, 15,767.76 and 4,271.97

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Solution

The fourth proportional to 10,512.09, 15,767.76 and 4,271.97 is: 6,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.09 : 15,767.76 = 4,271.97 : x
  2. Step 2: Convert to fraction form
    10,512.09/15,767.76 = 4,271.97/x
  3. Step 3: Cross multiply
    10,512.09x = 15,767.76 × 4,271.97
  4. Step 4: Simplify right side
    10,512.09x = 67,359,397.69
  5. Step 5: Solve for x
    x = 67,359,397.69/10,512.09
  6. Step 6: Final answer
    x = 6,407.80

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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.