Home / 11,391.06-15,718.02-6,354.66

Finding the Fourth Proportional to 11,391.06, 15,718.02 and 6,354.66

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Solution

The fourth proportional to 11,391.06, 15,718.02 and 6,354.66 is: 8,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.06 : 15,718.02 = 6,354.66 : x
  2. Step 2: Convert to fraction form
    11,391.06/15,718.02 = 6,354.66/x
  3. Step 3: Cross multiply
    11,391.06x = 15,718.02 × 6,354.66
  4. Step 4: Simplify right side
    11,391.06x = 99,882,672.97
  5. Step 5: Solve for x
    x = 99,882,672.97/11,391.06
  6. Step 6: Final answer
    x = 8,768.51

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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.