Home / 13,450.32-20,162.52-7,205.76

Finding the Fourth Proportional to 13,450.32, 20,162.52 and 7,205.76

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Solution

The fourth proportional to 13,450.32, 20,162.52 and 7,205.76 is: 10,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.32 : 20,162.52 = 7,205.76 : x
  2. Step 2: Convert to fraction form
    13,450.32/20,162.52 = 7,205.76/x
  3. Step 3: Cross multiply
    13,450.32x = 20,162.52 × 7,205.76
  4. Step 4: Simplify right side
    13,450.32x = 145,286,280.12
  5. Step 5: Solve for x
    x = 145,286,280.12/13,450.32
  6. Step 6: Final answer
    x = 10,801.70

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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.