Home / 17,938.68-26,872.56-12,302.52

Finding the Fourth Proportional to 17,938.68, 26,872.56 and 12,302.52

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Solution

The fourth proportional to 17,938.68, 26,872.56 and 12,302.52 is: 18,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.68 : 26,872.56 = 12,302.52 : x
  2. Step 2: Convert to fraction form
    17,938.68/26,872.56 = 12,302.52/x
  3. Step 3: Cross multiply
    17,938.68x = 26,872.56 × 12,302.52
  4. Step 4: Simplify right side
    17,938.68x = 330,600,206.85
  5. Step 5: Solve for x
    x = 330,600,206.85/17,938.68
  6. Step 6: Final answer
    x = 18,429.46

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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.