Home / 11,371.47-15,693.66-6,896.36

Finding the Fourth Proportional to 11,371.47, 15,693.66 and 6,896.36

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Solution

The fourth proportional to 11,371.47, 15,693.66 and 6,896.36 is: 9,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.47 : 15,693.66 = 6,896.36 : x
  2. Step 2: Convert to fraction form
    11,371.47/15,693.66 = 6,896.36/x
  3. Step 3: Cross multiply
    11,371.47x = 15,693.66 × 6,896.36
  4. Step 4: Simplify right side
    11,371.47x = 108,229,050.61
  5. Step 5: Solve for x
    x = 108,229,050.61/11,371.47
  6. Step 6: Final answer
    x = 9,517.60

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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.