Home / 15,657.33-21,608.62-8,943.96

Finding the Fourth Proportional to 15,657.33, 21,608.62 and 8,943.96

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Solution

The fourth proportional to 15,657.33, 21,608.62 and 8,943.96 is: 12,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.33 : 21,608.62 = 8,943.96 : x
  2. Step 2: Convert to fraction form
    15,657.33/21,608.62 = 8,943.96/x
  3. Step 3: Cross multiply
    15,657.33x = 21,608.62 × 8,943.96
  4. Step 4: Simplify right side
    15,657.33x = 193,266,632.94
  5. Step 5: Solve for x
    x = 193,266,632.94/15,657.33
  6. Step 6: Final answer
    x = 12,343.52

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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.