Home / 15,032.10-20,744.19-8,317.74

Finding the Fourth Proportional to 15,032.10, 20,744.19 and 8,317.74

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Solution

The fourth proportional to 15,032.10, 20,744.19 and 8,317.74 is: 11,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.10 : 20,744.19 = 8,317.74 : x
  2. Step 2: Convert to fraction form
    15,032.10/20,744.19 = 8,317.74/x
  3. Step 3: Cross multiply
    15,032.10x = 20,744.19 × 8,317.74
  4. Step 4: Simplify right side
    15,032.10x = 172,544,778.93
  5. Step 5: Solve for x
    x = 172,544,778.93/15,032.10
  6. Step 6: Final answer
    x = 11,478.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.