Home / 12,677.16-19,005.33-5,286.92

Finding the Fourth Proportional to 12,677.16, 19,005.33 and 5,286.92

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Solution

The fourth proportional to 12,677.16, 19,005.33 and 5,286.92 is: 7,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.16 : 19,005.33 = 5,286.92 : x
  2. Step 2: Convert to fraction form
    12,677.16/19,005.33 = 5,286.92/x
  3. Step 3: Cross multiply
    12,677.16x = 19,005.33 × 5,286.92
  4. Step 4: Simplify right side
    12,677.16x = 100,479,690.99
  5. Step 5: Solve for x
    x = 100,479,690.99/12,677.16
  6. Step 6: Final answer
    x = 7,926.04

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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.