Home / 10,721.68-14,795.74-5,876.36

Finding the Fourth Proportional to 10,721.68, 14,795.74 and 5,876.36

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Solution

The fourth proportional to 10,721.68, 14,795.74 and 5,876.36 is: 8,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.68 : 14,795.74 = 5,876.36 : x
  2. Step 2: Convert to fraction form
    10,721.68/14,795.74 = 5,876.36/x
  3. Step 3: Cross multiply
    10,721.68x = 14,795.74 × 5,876.36
  4. Step 4: Simplify right side
    10,721.68x = 86,945,139.04
  5. Step 5: Solve for x
    x = 86,945,139.04/10,721.68
  6. Step 6: Final answer
    x = 8,109.28

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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.