Home / 10,836.11-16,256.19-3,438.58

Finding the Fourth Proportional to 10,836.11, 16,256.19 and 3,438.58

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Solution

The fourth proportional to 10,836.11, 16,256.19 and 3,438.58 is: 5,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.11 : 16,256.19 = 3,438.58 : x
  2. Step 2: Convert to fraction form
    10,836.11/16,256.19 = 3,438.58/x
  3. Step 3: Cross multiply
    10,836.11x = 16,256.19 × 3,438.58
  4. Step 4: Simplify right side
    10,836.11x = 55,898,209.81
  5. Step 5: Solve for x
    x = 55,898,209.81/10,836.11
  6. Step 6: Final answer
    x = 5,158.51

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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.