Home / 17,487.78-26,239.41-9,165.81

Finding the Fourth Proportional to 17,487.78, 26,239.41 and 9,165.81

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Solution

The fourth proportional to 17,487.78, 26,239.41 and 9,165.81 is: 13,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.78 : 26,239.41 = 9,165.81 : x
  2. Step 2: Convert to fraction form
    17,487.78/26,239.41 = 9,165.81/x
  3. Step 3: Cross multiply
    17,487.78x = 26,239.41 × 9,165.81
  4. Step 4: Simplify right side
    17,487.78x = 240,505,446.57
  5. Step 5: Solve for x
    x = 240,505,446.57/17,487.78
  6. Step 6: Final answer
    x = 13,752.77

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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.