Home / 12,581.05-17,360.45-7,545.48

Finding the Fourth Proportional to 12,581.05, 17,360.45 and 7,545.48

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Solution

The fourth proportional to 12,581.05, 17,360.45 and 7,545.48 is: 10,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.05 : 17,360.45 = 7,545.48 : x
  2. Step 2: Convert to fraction form
    12,581.05/17,360.45 = 7,545.48/x
  3. Step 3: Cross multiply
    12,581.05x = 17,360.45 × 7,545.48
  4. Step 4: Simplify right side
    12,581.05x = 130,992,890.54
  5. Step 5: Solve for x
    x = 130,992,890.54/12,581.05
  6. Step 6: Final answer
    x = 10,411.92

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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.