Home / 12,576.14-17,356.04-7,540.56

Finding the Fourth Proportional to 12,576.14, 17,356.04 and 7,540.56

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Solution

The fourth proportional to 12,576.14, 17,356.04 and 7,540.56 is: 10,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.14 : 17,356.04 = 7,540.56 : x
  2. Step 2: Convert to fraction form
    12,576.14/17,356.04 = 7,540.56/x
  3. Step 3: Cross multiply
    12,576.14x = 17,356.04 × 7,540.56
  4. Step 4: Simplify right side
    12,576.14x = 130,874,223.28
  5. Step 5: Solve for x
    x = 130,874,223.28/12,576.14
  6. Step 6: Final answer
    x = 10,406.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.