Home / 10,343.88-15,516.54-3,423.24

Finding the Fourth Proportional to 10,343.88, 15,516.54 and 3,423.24

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Solution

The fourth proportional to 10,343.88, 15,516.54 and 3,423.24 is: 5,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.88 : 15,516.54 = 3,423.24 : x
  2. Step 2: Convert to fraction form
    10,343.88/15,516.54 = 3,423.24/x
  3. Step 3: Cross multiply
    10,343.88x = 15,516.54 × 3,423.24
  4. Step 4: Simplify right side
    10,343.88x = 53,116,840.39
  5. Step 5: Solve for x
    x = 53,116,840.39/10,343.88
  6. Step 6: Final answer
    x = 5,135.10

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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.