Home / 12,590.12-18,884.68-5,096.92

Finding the Fourth Proportional to 12,590.12, 18,884.68 and 5,096.92

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Solution

The fourth proportional to 12,590.12, 18,884.68 and 5,096.92 is: 7,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.12 : 18,884.68 = 5,096.92 : x
  2. Step 2: Convert to fraction form
    12,590.12/18,884.68 = 5,096.92/x
  3. Step 3: Cross multiply
    12,590.12x = 18,884.68 × 5,096.92
  4. Step 4: Simplify right side
    12,590.12x = 96,253,703.19
  5. Step 5: Solve for x
    x = 96,253,703.19/12,590.12
  6. Step 6: Final answer
    x = 7,645.18

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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.