Home / 15,007.20-22,513.60-7,514.72

Finding the Fourth Proportional to 15,007.20, 22,513.60 and 7,514.72

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Solution

The fourth proportional to 15,007.20, 22,513.60 and 7,514.72 is: 11,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.20 : 22,513.60 = 7,514.72 : x
  2. Step 2: Convert to fraction form
    15,007.20/22,513.60 = 7,514.72/x
  3. Step 3: Cross multiply
    15,007.20x = 22,513.60 × 7,514.72
  4. Step 4: Simplify right side
    15,007.20x = 169,183,400.19
  5. Step 5: Solve for x
    x = 169,183,400.19/15,007.20
  6. Step 6: Final answer
    x = 11,273.48

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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.