Home / 10,263.79-15,381.75-5,819.36

Finding the Fourth Proportional to 10,263.79, 15,381.75 and 5,819.36

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Solution

The fourth proportional to 10,263.79, 15,381.75 and 5,819.36 is: 8,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.79 : 15,381.75 = 5,819.36 : x
  2. Step 2: Convert to fraction form
    10,263.79/15,381.75 = 5,819.36/x
  3. Step 3: Cross multiply
    10,263.79x = 15,381.75 × 5,819.36
  4. Step 4: Simplify right side
    10,263.79x = 89,511,863.77
  5. Step 5: Solve for x
    x = 89,511,863.77/10,263.79
  6. Step 6: Final answer
    x = 8,721.13

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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.