Home / 13,474.35-20,211.53-8,529.30

Finding the Fourth Proportional to 13,474.35, 20,211.53 and 8,529.30

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Solution

The fourth proportional to 13,474.35, 20,211.53 and 8,529.30 is: 12,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.35 : 20,211.53 = 8,529.30 : x
  2. Step 2: Convert to fraction form
    13,474.35/20,211.53 = 8,529.30/x
  3. Step 3: Cross multiply
    13,474.35x = 20,211.53 × 8,529.30
  4. Step 4: Simplify right side
    13,474.35x = 172,390,160.18
  5. Step 5: Solve for x
    x = 172,390,160.18/13,474.35
  6. Step 6: Final answer
    x = 12,793.95

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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.