Home / 17,639.29-26,449.62-7,773.90

Finding the Fourth Proportional to 17,639.29, 26,449.62 and 7,773.90

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Solution

The fourth proportional to 17,639.29, 26,449.62 and 7,773.90 is: 11,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.29 : 26,449.62 = 7,773.90 : x
  2. Step 2: Convert to fraction form
    17,639.29/26,449.62 = 7,773.90/x
  3. Step 3: Cross multiply
    17,639.29x = 26,449.62 × 7,773.90
  4. Step 4: Simplify right side
    17,639.29x = 205,616,700.92
  5. Step 5: Solve for x
    x = 205,616,700.92/17,639.29
  6. Step 6: Final answer
    x = 11,656.74

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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.