Home / 11,247.10-16,870.64-3,454.90

Finding the Fourth Proportional to 11,247.10, 16,870.64 and 3,454.90

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Solution

The fourth proportional to 11,247.10, 16,870.64 and 3,454.90 is: 5,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.10 : 16,870.64 = 3,454.90 : x
  2. Step 2: Convert to fraction form
    11,247.10/16,870.64 = 3,454.90/x
  3. Step 3: Cross multiply
    11,247.10x = 16,870.64 × 3,454.90
  4. Step 4: Simplify right side
    11,247.10x = 58,286,374.14
  5. Step 5: Solve for x
    x = 58,286,374.14/11,247.10
  6. Step 6: Final answer
    x = 5,182.35

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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.