Home / 11,515.64-17,269.80-4,493.95

Finding the Fourth Proportional to 11,515.64, 17,269.80 and 4,493.95

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Solution

The fourth proportional to 11,515.64, 17,269.80 and 4,493.95 is: 6,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.64 : 17,269.80 = 4,493.95 : x
  2. Step 2: Convert to fraction form
    11,515.64/17,269.80 = 4,493.95/x
  3. Step 3: Cross multiply
    11,515.64x = 17,269.80 × 4,493.95
  4. Step 4: Simplify right side
    11,515.64x = 77,609,617.71
  5. Step 5: Solve for x
    x = 77,609,617.71/11,515.64
  6. Step 6: Final answer
    x = 6,739.50

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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.