Home / 15,340.82-23,007.78-5,977.62

Finding the Fourth Proportional to 15,340.82, 23,007.78 and 5,977.62

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Solution

The fourth proportional to 15,340.82, 23,007.78 and 5,977.62 is: 8,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.82 : 23,007.78 = 5,977.62 : x
  2. Step 2: Convert to fraction form
    15,340.82/23,007.78 = 5,977.62/x
  3. Step 3: Cross multiply
    15,340.82x = 23,007.78 × 5,977.62
  4. Step 4: Simplify right side
    15,340.82x = 137,531,765.88
  5. Step 5: Solve for x
    x = 137,531,765.88/15,340.82
  6. Step 6: Final answer
    x = 8,965.09

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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.