Home / 12,576.48-17,358.68-7,270.53

Finding the Fourth Proportional to 12,576.48, 17,358.68 and 7,270.53

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Solution

The fourth proportional to 12,576.48, 17,358.68 and 7,270.53 is: 10,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.48 : 17,358.68 = 7,270.53 : x
  2. Step 2: Convert to fraction form
    12,576.48/17,358.68 = 7,270.53/x
  3. Step 3: Cross multiply
    12,576.48x = 17,358.68 × 7,270.53
  4. Step 4: Simplify right side
    12,576.48x = 126,206,767.35
  5. Step 5: Solve for x
    x = 126,206,767.35/12,576.48
  6. Step 6: Final answer
    x = 10,035.14

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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.