Home / 15,553.32-23,329.78-3,866.64

Finding the Fourth Proportional to 15,553.32, 23,329.78 and 3,866.64

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Solution

The fourth proportional to 15,553.32, 23,329.78 and 3,866.64 is: 5,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.32 : 23,329.78 = 3,866.64 : x
  2. Step 2: Convert to fraction form
    15,553.32/23,329.78 = 3,866.64/x
  3. Step 3: Cross multiply
    15,553.32x = 23,329.78 × 3,866.64
  4. Step 4: Simplify right side
    15,553.32x = 90,207,850.87
  5. Step 5: Solve for x
    x = 90,207,850.87/15,553.32
  6. Step 6: Final answer
    x = 5,799.91

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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.