Home / 15,186.11-22,786.25-6,868.63

Finding the Fourth Proportional to 15,186.11, 22,786.25 and 6,868.63

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Solution

The fourth proportional to 15,186.11, 22,786.25 and 6,868.63 is: 10,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.11 : 22,786.25 = 6,868.63 : x
  2. Step 2: Convert to fraction form
    15,186.11/22,786.25 = 6,868.63/x
  3. Step 3: Cross multiply
    15,186.11x = 22,786.25 × 6,868.63
  4. Step 4: Simplify right side
    15,186.11x = 156,510,320.34
  5. Step 5: Solve for x
    x = 156,510,320.34/15,186.11
  6. Step 6: Final answer
    x = 10,306.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.