Home / 15,399.60-23,081.10-7,072.56

Finding the Fourth Proportional to 15,399.60, 23,081.10 and 7,072.56

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Solution

The fourth proportional to 15,399.60, 23,081.10 and 7,072.56 is: 10,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.60 : 23,081.10 = 7,072.56 : x
  2. Step 2: Convert to fraction form
    15,399.60/23,081.10 = 7,072.56/x
  3. Step 3: Cross multiply
    15,399.60x = 23,081.10 × 7,072.56
  4. Step 4: Simplify right side
    15,399.60x = 163,242,464.62
  5. Step 5: Solve for x
    x = 163,242,464.62/15,399.60
  6. Step 6: Final answer
    x = 10,600.44

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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.