Home / 15,403.80-23,105.70-5,016.60

Finding the Fourth Proportional to 15,403.80, 23,105.70 and 5,016.60

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Solution

The fourth proportional to 15,403.80, 23,105.70 and 5,016.60 is: 7,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.80 : 23,105.70 = 5,016.60 : x
  2. Step 2: Convert to fraction form
    15,403.80/23,105.70 = 5,016.60/x
  3. Step 3: Cross multiply
    15,403.80x = 23,105.70 × 5,016.60
  4. Step 4: Simplify right side
    15,403.80x = 115,912,054.62
  5. Step 5: Solve for x
    x = 115,912,054.62/15,403.80
  6. Step 6: Final answer
    x = 7,524.90

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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.