Home / 12,677.61-19,016.54-5,282.04

Finding the Fourth Proportional to 12,677.61, 19,016.54 and 5,282.04

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Solution

The fourth proportional to 12,677.61, 19,016.54 and 5,282.04 is: 7,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.61 : 19,016.54 = 5,282.04 : x
  2. Step 2: Convert to fraction form
    12,677.61/19,016.54 = 5,282.04/x
  3. Step 3: Cross multiply
    12,677.61x = 19,016.54 × 5,282.04
  4. Step 4: Simplify right side
    12,677.61x = 100,446,189.65
  5. Step 5: Solve for x
    x = 100,446,189.65/12,677.61
  6. Step 6: Final answer
    x = 7,923.11

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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.