Home / 10,608.89-15,916.79-5,061.51

Finding the Fourth Proportional to 10,608.89, 15,916.79 and 5,061.51

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Solution

The fourth proportional to 10,608.89, 15,916.79 and 5,061.51 is: 7,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.89 : 15,916.79 = 5,061.51 : x
  2. Step 2: Convert to fraction form
    10,608.89/15,916.79 = 5,061.51/x
  3. Step 3: Cross multiply
    10,608.89x = 15,916.79 × 5,061.51
  4. Step 4: Simplify right side
    10,608.89x = 80,563,020.70
  5. Step 5: Solve for x
    x = 80,563,020.70/10,608.89
  6. Step 6: Final answer
    x = 7,593.92

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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.