Home / 14,734.28-20,353.20-13,684.52

Finding the Fourth Proportional to 14,734.28, 20,353.20 and 13,684.52

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Solution

The fourth proportional to 14,734.28, 20,353.20 and 13,684.52 is: 18,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.28 : 20,353.20 = 13,684.52 : x
  2. Step 2: Convert to fraction form
    14,734.28/20,353.20 = 13,684.52/x
  3. Step 3: Cross multiply
    14,734.28x = 20,353.20 × 13,684.52
  4. Step 4: Simplify right side
    14,734.28x = 278,523,772.46
  5. Step 5: Solve for x
    x = 278,523,772.46/14,734.28
  6. Step 6: Final answer
    x = 18,903.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.