Home / 10,350.31-15,488.53-8,968.39

Finding the Fourth Proportional to 10,350.31, 15,488.53 and 8,968.39

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Solution

The fourth proportional to 10,350.31, 15,488.53 and 8,968.39 is: 13,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.31 : 15,488.53 = 8,968.39 : x
  2. Step 2: Convert to fraction form
    10,350.31/15,488.53 = 8,968.39/x
  3. Step 3: Cross multiply
    10,350.31x = 15,488.53 × 8,968.39
  4. Step 4: Simplify right side
    10,350.31x = 138,907,177.57
  5. Step 5: Solve for x
    x = 138,907,177.57/10,350.31
  6. Step 6: Final answer
    x = 13,420.58

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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.