Home / 13,572.74-20,343.51-5,249.04

Finding the Fourth Proportional to 13,572.74, 20,343.51 and 5,249.04

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Solution

The fourth proportional to 13,572.74, 20,343.51 and 5,249.04 is: 7,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.74 : 20,343.51 = 5,249.04 : x
  2. Step 2: Convert to fraction form
    13,572.74/20,343.51 = 5,249.04/x
  3. Step 3: Cross multiply
    13,572.74x = 20,343.51 × 5,249.04
  4. Step 4: Simplify right side
    13,572.74x = 106,783,897.73
  5. Step 5: Solve for x
    x = 106,783,897.73/13,572.74
  6. Step 6: Final answer
    x = 7,867.53

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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.