Home / 17,745.32-26,618.12-7,881.96

Finding the Fourth Proportional to 17,745.32, 26,618.12 and 7,881.96

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Solution

The fourth proportional to 17,745.32, 26,618.12 and 7,881.96 is: 11,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.32 : 26,618.12 = 7,881.96 : x
  2. Step 2: Convert to fraction form
    17,745.32/26,618.12 = 7,881.96/x
  3. Step 3: Cross multiply
    17,745.32x = 26,618.12 × 7,881.96
  4. Step 4: Simplify right side
    17,745.32x = 209,802,957.12
  5. Step 5: Solve for x
    x = 209,802,957.12/17,745.32
  6. Step 6: Final answer
    x = 11,823.00

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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.