Home / 10,144.74-15,195.95-8,159.65

Finding the Fourth Proportional to 10,144.74, 15,195.95 and 8,159.65

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Solution

The fourth proportional to 10,144.74, 15,195.95 and 8,159.65 is: 12,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.74 : 15,195.95 = 8,159.65 : x
  2. Step 2: Convert to fraction form
    10,144.74/15,195.95 = 8,159.65/x
  3. Step 3: Cross multiply
    10,144.74x = 15,195.95 × 8,159.65
  4. Step 4: Simplify right side
    10,144.74x = 123,993,716.60
  5. Step 5: Solve for x
    x = 123,993,716.60/10,144.74
  6. Step 6: Final answer
    x = 12,222.46

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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.