Home / 11,190.41-15,442.78-6,154.98

Finding the Fourth Proportional to 11,190.41, 15,442.78 and 6,154.98

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Solution

The fourth proportional to 11,190.41, 15,442.78 and 6,154.98 is: 8,493.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.41 : 15,442.78 = 6,154.98 : x
  2. Step 2: Convert to fraction form
    11,190.41/15,442.78 = 6,154.98/x
  3. Step 3: Cross multiply
    11,190.41x = 15,442.78 × 6,154.98
  4. Step 4: Simplify right side
    11,190.41x = 95,050,002.04
  5. Step 5: Solve for x
    x = 95,050,002.04/11,190.41
  6. Step 6: Final answer
    x = 8,493.88

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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.