Home / 11,310.56-16,972.32-6,317.12

Finding the Fourth Proportional to 11,310.56, 16,972.32 and 6,317.12

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Solution

The fourth proportional to 11,310.56, 16,972.32 and 6,317.12 is: 9,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.56 : 16,972.32 = 6,317.12 : x
  2. Step 2: Convert to fraction form
    11,310.56/16,972.32 = 6,317.12/x
  3. Step 3: Cross multiply
    11,310.56x = 16,972.32 × 6,317.12
  4. Step 4: Simplify right side
    11,310.56x = 107,216,182.12
  5. Step 5: Solve for x
    x = 107,216,182.12/11,310.56
  6. Step 6: Final answer
    x = 9,479.30

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1.5x scale

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.