Home / 11,191.17-15,443.38-6,155.34

Finding the Fourth Proportional to 11,191.17, 15,443.38 and 6,155.34

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Solution

The fourth proportional to 11,191.17, 15,443.38 and 6,155.34 is: 8,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.17 : 15,443.38 = 6,155.34 : x
  2. Step 2: Convert to fraction form
    11,191.17/15,443.38 = 6,155.34/x
  3. Step 3: Cross multiply
    11,191.17x = 15,443.38 × 6,155.34
  4. Step 4: Simplify right side
    11,191.17x = 95,059,254.65
  5. Step 5: Solve for x
    x = 95,059,254.65/11,191.17
  6. Step 6: Final answer
    x = 8,494.13

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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.