Home / 11,314.40-16,967.55-3,916.87

Finding the Fourth Proportional to 11,314.40, 16,967.55 and 3,916.87

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Solution

The fourth proportional to 11,314.40, 16,967.55 and 3,916.87 is: 5,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.40 : 16,967.55 = 3,916.87 : x
  2. Step 2: Convert to fraction form
    11,314.40/16,967.55 = 3,916.87/x
  3. Step 3: Cross multiply
    11,314.40x = 16,967.55 × 3,916.87
  4. Step 4: Simplify right side
    11,314.40x = 66,459,667.98
  5. Step 5: Solve for x
    x = 66,459,667.98/11,314.40
  6. Step 6: Final answer
    x = 5,873.90

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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.