Home / 10,919.53-16,368.28-4,251.87

Finding the Fourth Proportional to 10,919.53, 16,368.28 and 4,251.87

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Solution

The fourth proportional to 10,919.53, 16,368.28 and 4,251.87 is: 6,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.53 : 16,368.28 = 4,251.87 : x
  2. Step 2: Convert to fraction form
    10,919.53/16,368.28 = 4,251.87/x
  3. Step 3: Cross multiply
    10,919.53x = 16,368.28 × 4,251.87
  4. Step 4: Simplify right side
    10,919.53x = 69,595,742.02
  5. Step 5: Solve for x
    x = 69,595,742.02/10,919.53
  6. Step 6: Final answer
    x = 6,373.51

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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.