Home / 10,836.42-16,256.65-3,438.89

Finding the Fourth Proportional to 10,836.42, 16,256.65 and 3,438.89

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Solution

The fourth proportional to 10,836.42, 16,256.65 and 3,438.89 is: 5,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.42 : 16,256.65 = 3,438.89 : x
  2. Step 2: Convert to fraction form
    10,836.42/16,256.65 = 3,438.89/x
  3. Step 3: Cross multiply
    10,836.42x = 16,256.65 × 3,438.89
  4. Step 4: Simplify right side
    10,836.42x = 55,904,799.07
  5. Step 5: Solve for x
    x = 55,904,799.07/10,836.42
  6. Step 6: Final answer
    x = 5,158.97

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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.