Home / 10,319.03-15,476.49-5,051.78

Finding the Fourth Proportional to 10,319.03, 15,476.49 and 5,051.78

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Solution

The fourth proportional to 10,319.03, 15,476.49 and 5,051.78 is: 7,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.03 : 15,476.49 = 5,051.78 : x
  2. Step 2: Convert to fraction form
    10,319.03/15,476.49 = 5,051.78/x
  3. Step 3: Cross multiply
    10,319.03x = 15,476.49 × 5,051.78
  4. Step 4: Simplify right side
    10,319.03x = 78,183,822.65
  5. Step 5: Solve for x
    x = 78,183,822.65/10,319.03
  6. Step 6: Final answer
    x = 7,576.66

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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.