Home / 15,032.14-20,744.18-8,317.71

Finding the Fourth Proportional to 15,032.14, 20,744.18 and 8,317.71

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Solution

The fourth proportional to 15,032.14, 20,744.18 and 8,317.71 is: 11,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.14 : 20,744.18 = 8,317.71 : x
  2. Step 2: Convert to fraction form
    15,032.14/20,744.18 = 8,317.71/x
  3. Step 3: Cross multiply
    15,032.14x = 20,744.18 × 8,317.71
  4. Step 4: Simplify right side
    15,032.14x = 172,544,073.43
  5. Step 5: Solve for x
    x = 172,544,073.43/15,032.14
  6. Step 6: Final answer
    x = 11,478.34

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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.