Home / 13,447.47-20,171.66-4,562.72

Finding the Fourth Proportional to 13,447.47, 20,171.66 and 4,562.72

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Solution

The fourth proportional to 13,447.47, 20,171.66 and 4,562.72 is: 6,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.47 : 20,171.66 = 4,562.72 : x
  2. Step 2: Convert to fraction form
    13,447.47/20,171.66 = 4,562.72/x
  3. Step 3: Cross multiply
    13,447.47x = 20,171.66 × 4,562.72
  4. Step 4: Simplify right side
    13,447.47x = 92,037,512.84
  5. Step 5: Solve for x
    x = 92,037,512.84/13,447.47
  6. Step 6: Final answer
    x = 6,844.23

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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.