Home / 13,521.33-20,281.97-5,089.41

Finding the Fourth Proportional to 13,521.33, 20,281.97 and 5,089.41

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Solution

The fourth proportional to 13,521.33, 20,281.97 and 5,089.41 is: 7,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521.33 : 20,281.97 = 5,089.41 : x
  2. Step 2: Convert to fraction form
    13,521.33/20,281.97 = 5,089.41/x
  3. Step 3: Cross multiply
    13,521.33x = 20,281.97 × 5,089.41
  4. Step 4: Simplify right side
    13,521.33x = 103,223,273.66
  5. Step 5: Solve for x
    x = 103,223,273.66/13,521.33
  6. Step 6: Final answer
    x = 7,634.11

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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.