Home / 11,176.95-15,424.13-6,072.42

Finding the Fourth Proportional to 11,176.95, 15,424.13 and 6,072.42

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Solution

The fourth proportional to 11,176.95, 15,424.13 and 6,072.42 is: 8,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.95 : 15,424.13 = 6,072.42 : x
  2. Step 2: Convert to fraction form
    11,176.95/15,424.13 = 6,072.42/x
  3. Step 3: Cross multiply
    11,176.95x = 15,424.13 × 6,072.42
  4. Step 4: Simplify right side
    11,176.95x = 93,661,765.13
  5. Step 5: Solve for x
    x = 93,661,765.13/11,176.95
  6. Step 6: Final answer
    x = 8,379.90

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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.