Home / 10,318.69-15,475.97-5,051.43

Finding the Fourth Proportional to 10,318.69, 15,475.97 and 5,051.43

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Solution

The fourth proportional to 10,318.69, 15,475.97 and 5,051.43 is: 7,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.69 : 15,475.97 = 5,051.43 : x
  2. Step 2: Convert to fraction form
    10,318.69/15,475.97 = 5,051.43/x
  3. Step 3: Cross multiply
    10,318.69x = 15,475.97 × 5,051.43
  4. Step 4: Simplify right side
    10,318.69x = 78,175,791.77
  5. Step 5: Solve for x
    x = 78,175,791.77/10,318.69
  6. Step 6: Final answer
    x = 7,576.13

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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.