Home / 15,647.12-23,470.70-3,960.33

Finding the Fourth Proportional to 15,647.12, 23,470.70 and 3,960.33

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Solution

The fourth proportional to 15,647.12, 23,470.70 and 3,960.33 is: 5,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.12 : 23,470.70 = 3,960.33 : x
  2. Step 2: Convert to fraction form
    15,647.12/23,470.70 = 3,960.33/x
  3. Step 3: Cross multiply
    15,647.12x = 23,470.70 × 3,960.33
  4. Step 4: Simplify right side
    15,647.12x = 92,951,697.53
  5. Step 5: Solve for x
    x = 92,951,697.53/15,647.12
  6. Step 6: Final answer
    x = 5,940.50

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Double scale
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Similar ratio
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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.