Home / 19,011.89-28,508.31-5,862.55

Finding the Fourth Proportional to 19,011.89, 28,508.31 and 5,862.55

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Solution

The fourth proportional to 19,011.89, 28,508.31 and 5,862.55 is: 8,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.89 : 28,508.31 = 5,862.55 : x
  2. Step 2: Convert to fraction form
    19,011.89/28,508.31 = 5,862.55/x
  3. Step 3: Cross multiply
    19,011.89x = 28,508.31 × 5,862.55
  4. Step 4: Simplify right side
    19,011.89x = 167,131,414.78
  5. Step 5: Solve for x
    x = 167,131,414.78/19,011.89
  6. Step 6: Final answer
    x = 8,790.89

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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.