Home / 15,517.78-23,277.10-5,664.40

Finding the Fourth Proportional to 15,517.78, 23,277.10 and 5,664.40

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Solution

The fourth proportional to 15,517.78, 23,277.10 and 5,664.40 is: 8,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.78 : 23,277.10 = 5,664.40 : x
  2. Step 2: Convert to fraction form
    15,517.78/23,277.10 = 5,664.40/x
  3. Step 3: Cross multiply
    15,517.78x = 23,277.10 × 5,664.40
  4. Step 4: Simplify right side
    15,517.78x = 131,850,805.24
  5. Step 5: Solve for x
    x = 131,850,805.24/15,517.78
  6. Step 6: Final answer
    x = 8,496.76

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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.