Home / 10,882.12-15,020.74-6,169.54

Finding the Fourth Proportional to 10,882.12, 15,020.74 and 6,169.54

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Solution

The fourth proportional to 10,882.12, 15,020.74 and 6,169.54 is: 8,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.12 : 15,020.74 = 6,169.54 : x
  2. Step 2: Convert to fraction form
    10,882.12/15,020.74 = 6,169.54/x
  3. Step 3: Cross multiply
    10,882.12x = 15,020.74 × 6,169.54
  4. Step 4: Simplify right side
    10,882.12x = 92,671,056.26
  5. Step 5: Solve for x
    x = 92,671,056.26/10,882.12
  6. Step 6: Final answer
    x = 8,515.90

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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.