Home / 13,531.52-20,297.12-3,671.76

Finding the Fourth Proportional to 13,531.52, 20,297.12 and 3,671.76

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Solution

The fourth proportional to 13,531.52, 20,297.12 and 3,671.76 is: 5,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.52 : 20,297.12 = 3,671.76 : x
  2. Step 2: Convert to fraction form
    13,531.52/20,297.12 = 3,671.76/x
  3. Step 3: Cross multiply
    13,531.52x = 20,297.12 × 3,671.76
  4. Step 4: Simplify right side
    13,531.52x = 74,526,153.33
  5. Step 5: Solve for x
    x = 74,526,153.33/13,531.52
  6. Step 6: Final answer
    x = 5,507.60

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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.