Home / 12,355.79-17,044.57-7,576.85

Finding the Fourth Proportional to 12,355.79, 17,044.57 and 7,576.85

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Solution

The fourth proportional to 12,355.79, 17,044.57 and 7,576.85 is: 10,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.79 : 17,044.57 = 7,576.85 : x
  2. Step 2: Convert to fraction form
    12,355.79/17,044.57 = 7,576.85/x
  3. Step 3: Cross multiply
    12,355.79x = 17,044.57 × 7,576.85
  4. Step 4: Simplify right side
    12,355.79x = 129,144,112.32
  5. Step 5: Solve for x
    x = 129,144,112.32/12,355.79
  6. Step 6: Final answer
    x = 10,452.11

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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.