Home / 15,340.47-23,010.92-5,480.34

Finding the Fourth Proportional to 15,340.47, 23,010.92 and 5,480.34

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Solution

The fourth proportional to 15,340.47, 23,010.92 and 5,480.34 is: 8,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.47 : 23,010.92 = 5,480.34 : x
  2. Step 2: Convert to fraction form
    15,340.47/23,010.92 = 5,480.34/x
  3. Step 3: Cross multiply
    15,340.47x = 23,010.92 × 5,480.34
  4. Step 4: Simplify right side
    15,340.47x = 126,107,637.91
  5. Step 5: Solve for x
    x = 126,107,637.91/15,340.47
  6. Step 6: Final answer
    x = 8,220.59

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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.