Home / 10,186.42-15,279.90-3,260.92

Finding the Fourth Proportional to 10,186.42, 15,279.90 and 3,260.92

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Solution

The fourth proportional to 10,186.42, 15,279.90 and 3,260.92 is: 4,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.42 : 15,279.90 = 3,260.92 : x
  2. Step 2: Convert to fraction form
    10,186.42/15,279.90 = 3,260.92/x
  3. Step 3: Cross multiply
    10,186.42x = 15,279.90 × 3,260.92
  4. Step 4: Simplify right side
    10,186.42x = 49,826,531.51
  5. Step 5: Solve for x
    x = 49,826,531.51/10,186.42
  6. Step 6: Final answer
    x = 4,891.47

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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.