Home / 15,719.60-23,544.56-9,129.44

Finding the Fourth Proportional to 15,719.60, 23,544.56 and 9,129.44

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Solution

The fourth proportional to 15,719.60, 23,544.56 and 9,129.44 is: 13,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.60 : 23,544.56 = 9,129.44 : x
  2. Step 2: Convert to fraction form
    15,719.60/23,544.56 = 9,129.44/x
  3. Step 3: Cross multiply
    15,719.60x = 23,544.56 × 9,129.44
  4. Step 4: Simplify right side
    15,719.60x = 214,948,647.85
  5. Step 5: Solve for x
    x = 214,948,647.85/15,719.60
  6. Step 6: Final answer
    x = 13,673.93

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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.