Home / 19,010.72-28,519.92-5,862.56

Finding the Fourth Proportional to 19,010.72, 28,519.92 and 5,862.56

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Solution

The fourth proportional to 19,010.72, 28,519.92 and 5,862.56 is: 8,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.72 : 28,519.92 = 5,862.56 : x
  2. Step 2: Convert to fraction form
    19,010.72/28,519.92 = 5,862.56/x
  3. Step 3: Cross multiply
    19,010.72x = 28,519.92 × 5,862.56
  4. Step 4: Simplify right side
    19,010.72x = 167,199,742.20
  5. Step 5: Solve for x
    x = 167,199,742.20/19,010.72
  6. Step 6: Final answer
    x = 8,795.02

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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.