Home / 11,154.53-15,393.68-6,118.97

Finding the Fourth Proportional to 11,154.53, 15,393.68 and 6,118.97

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Solution

The fourth proportional to 11,154.53, 15,393.68 and 6,118.97 is: 8,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.53 : 15,393.68 = 6,118.97 : x
  2. Step 2: Convert to fraction form
    11,154.53/15,393.68 = 6,118.97/x
  3. Step 3: Cross multiply
    11,154.53x = 15,393.68 × 6,118.97
  4. Step 4: Simplify right side
    11,154.53x = 94,193,404.44
  5. Step 5: Solve for x
    x = 94,193,404.44/11,154.53
  6. Step 6: Final answer
    x = 8,444.41

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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.