Home / 15,458.87-23,185.61-7,138.18

Finding the Fourth Proportional to 15,458.87, 23,185.61 and 7,138.18

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Solution

The fourth proportional to 15,458.87, 23,185.61 and 7,138.18 is: 10,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.87 : 23,185.61 = 7,138.18 : x
  2. Step 2: Convert to fraction form
    15,458.87/23,185.61 = 7,138.18/x
  3. Step 3: Cross multiply
    15,458.87x = 23,185.61 × 7,138.18
  4. Step 4: Simplify right side
    15,458.87x = 165,503,057.59
  5. Step 5: Solve for x
    x = 165,503,057.59/15,458.87
  6. Step 6: Final answer
    x = 10,706.03

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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.