Home / 11,407.47-17,110.95-5,162.97

Finding the Fourth Proportional to 11,407.47, 17,110.95 and 5,162.97

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Solution

The fourth proportional to 11,407.47, 17,110.95 and 5,162.97 is: 7,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407.47 : 17,110.95 = 5,162.97 : x
  2. Step 2: Convert to fraction form
    11,407.47/17,110.95 = 5,162.97/x
  3. Step 3: Cross multiply
    11,407.47x = 17,110.95 × 5,162.97
  4. Step 4: Simplify right side
    11,407.47x = 88,343,265.52
  5. Step 5: Solve for x
    x = 88,343,265.52/11,407.47
  6. Step 6: Final answer
    x = 7,744.33

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1.5x scale

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.