Home / 12,869.80-19,306.22-4,548.08

Finding the Fourth Proportional to 12,869.80, 19,306.22 and 4,548.08

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Solution

The fourth proportional to 12,869.80, 19,306.22 and 4,548.08 is: 6,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.80 : 19,306.22 = 4,548.08 : x
  2. Step 2: Convert to fraction form
    12,869.80/19,306.22 = 4,548.08/x
  3. Step 3: Cross multiply
    12,869.80x = 19,306.22 × 4,548.08
  4. Step 4: Simplify right side
    12,869.80x = 87,806,233.06
  5. Step 5: Solve for x
    x = 87,806,233.06/12,869.80
  6. Step 6: Final answer
    x = 6,822.66

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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.