Home / 11,926.44-17,876.79-7,545.15

Finding the Fourth Proportional to 11,926.44, 17,876.79 and 7,545.15

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Solution

The fourth proportional to 11,926.44, 17,876.79 and 7,545.15 is: 11,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.44 : 17,876.79 = 7,545.15 : x
  2. Step 2: Convert to fraction form
    11,926.44/17,876.79 = 7,545.15/x
  3. Step 3: Cross multiply
    11,926.44x = 17,876.79 × 7,545.15
  4. Step 4: Simplify right side
    11,926.44x = 134,883,062.07
  5. Step 5: Solve for x
    x = 134,883,062.07/11,926.44
  6. Step 6: Final answer
    x = 11,309.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.