Home / 15,010.25-20,722.37-9,043.38

Finding the Fourth Proportional to 15,010.25, 20,722.37 and 9,043.38

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Solution

The fourth proportional to 15,010.25, 20,722.37 and 9,043.38 is: 12,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.25 : 20,722.37 = 9,043.38 : x
  2. Step 2: Convert to fraction form
    15,010.25/20,722.37 = 9,043.38/x
  3. Step 3: Cross multiply
    15,010.25x = 20,722.37 × 9,043.38
  4. Step 4: Simplify right side
    15,010.25x = 187,400,221.19
  5. Step 5: Solve for x
    x = 187,400,221.19/15,010.25
  6. Step 6: Final answer
    x = 12,484.82

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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.