Home / 15,419.70-23,115.38-5,556.57

Finding the Fourth Proportional to 15,419.70, 23,115.38 and 5,556.57

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Solution

The fourth proportional to 15,419.70, 23,115.38 and 5,556.57 is: 8,329.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.70 : 23,115.38 = 5,556.57 : x
  2. Step 2: Convert to fraction form
    15,419.70/23,115.38 = 5,556.57/x
  3. Step 3: Cross multiply
    15,419.70x = 23,115.38 × 5,556.57
  4. Step 4: Simplify right side
    15,419.70x = 128,442,112.58
  5. Step 5: Solve for x
    x = 128,442,112.58/15,419.70
  6. Step 6: Final answer
    x = 8,329.74

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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.