Home / 11,149.44-15,386.11-6,113.55

Finding the Fourth Proportional to 11,149.44, 15,386.11 and 6,113.55

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Solution

The fourth proportional to 11,149.44, 15,386.11 and 6,113.55 is: 8,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.44 : 15,386.11 = 6,113.55 : x
  2. Step 2: Convert to fraction form
    11,149.44/15,386.11 = 6,113.55/x
  3. Step 3: Cross multiply
    11,149.44x = 15,386.11 × 6,113.55
  4. Step 4: Simplify right side
    11,149.44x = 94,063,752.79
  5. Step 5: Solve for x
    x = 94,063,752.79/11,149.44
  6. Step 6: Final answer
    x = 8,436.63

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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.