Home / 13,734.31-20,602.71-3,873.70

Finding the Fourth Proportional to 13,734.31, 20,602.71 and 3,873.70

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Solution

The fourth proportional to 13,734.31, 20,602.71 and 3,873.70 is: 5,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.31 : 20,602.71 = 3,873.70 : x
  2. Step 2: Convert to fraction form
    13,734.31/20,602.71 = 3,873.70/x
  3. Step 3: Cross multiply
    13,734.31x = 20,602.71 × 3,873.70
  4. Step 4: Simplify right side
    13,734.31x = 79,808,717.73
  5. Step 5: Solve for x
    x = 79,808,717.73/13,734.31
  6. Step 6: Final answer
    x = 5,810.90

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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.