Home / 11,501.80-15,876.94-7,251.96

Finding the Fourth Proportional to 11,501.80, 15,876.94 and 7,251.96

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Solution

The fourth proportional to 11,501.80, 15,876.94 and 7,251.96 is: 10,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.80 : 15,876.94 = 7,251.96 : x
  2. Step 2: Convert to fraction form
    11,501.80/15,876.94 = 7,251.96/x
  3. Step 3: Cross multiply
    11,501.80x = 15,876.94 × 7,251.96
  4. Step 4: Simplify right side
    11,501.80x = 115,138,834.45
  5. Step 5: Solve for x
    x = 115,138,834.45/11,501.80
  6. Step 6: Final answer
    x = 10,010.51

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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.