Home / 15,032.27-20,744.55-8,318.18

Finding the Fourth Proportional to 15,032.27, 20,744.55 and 8,318.18

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Solution

The fourth proportional to 15,032.27, 20,744.55 and 8,318.18 is: 11,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.27 : 20,744.55 = 8,318.18 : x
  2. Step 2: Convert to fraction form
    15,032.27/20,744.55 = 8,318.18/x
  3. Step 3: Cross multiply
    15,032.27x = 20,744.55 × 8,318.18
  4. Step 4: Simplify right side
    15,032.27x = 172,556,797.20
  5. Step 5: Solve for x
    x = 172,556,797.20/15,032.27
  6. Step 6: Final answer
    x = 11,479.09

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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.