Home / 15,520.97-23,262.35-7,189.71

Finding the Fourth Proportional to 15,520.97, 23,262.35 and 7,189.71

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Solution

The fourth proportional to 15,520.97, 23,262.35 and 7,189.71 is: 10,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.97 : 23,262.35 = 7,189.71 : x
  2. Step 2: Convert to fraction form
    15,520.97/23,262.35 = 7,189.71/x
  3. Step 3: Cross multiply
    15,520.97x = 23,262.35 × 7,189.71
  4. Step 4: Simplify right side
    15,520.97x = 167,249,514.47
  5. Step 5: Solve for x
    x = 167,249,514.47/15,520.97
  6. Step 6: Final answer
    x = 10,775.72

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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.