Home / 10,364.90-15,543.48-3,343.15

Finding the Fourth Proportional to 10,364.90, 15,543.48 and 3,343.15

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Solution

The fourth proportional to 10,364.90, 15,543.48 and 3,343.15 is: 5,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.90 : 15,543.48 = 3,343.15 : x
  2. Step 2: Convert to fraction form
    10,364.90/15,543.48 = 3,343.15/x
  3. Step 3: Cross multiply
    10,364.90x = 15,543.48 × 3,343.15
  4. Step 4: Simplify right side
    10,364.90x = 51,964,107.44
  5. Step 5: Solve for x
    x = 51,964,107.44/10,364.90
  6. Step 6: Final answer
    x = 5,013.47

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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.