Home / 13,657.87-20,482.25-5,335.73

Finding the Fourth Proportional to 13,657.87, 20,482.25 and 5,335.73

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Solution

The fourth proportional to 13,657.87, 20,482.25 and 5,335.73 is: 8,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.87 : 20,482.25 = 5,335.73 : x
  2. Step 2: Convert to fraction form
    13,657.87/20,482.25 = 5,335.73/x
  3. Step 3: Cross multiply
    13,657.87x = 20,482.25 × 5,335.73
  4. Step 4: Simplify right side
    13,657.87x = 109,287,626.70
  5. Step 5: Solve for x
    x = 109,287,626.70/13,657.87
  6. Step 6: Final answer
    x = 8,001.81

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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.