Home / 11,768.04-17,640.78-4,370.52

Finding the Fourth Proportional to 11,768.04, 17,640.78 and 4,370.52

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Solution

The fourth proportional to 11,768.04, 17,640.78 and 4,370.52 is: 6,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.04 : 17,640.78 = 4,370.52 : x
  2. Step 2: Convert to fraction form
    11,768.04/17,640.78 = 4,370.52/x
  3. Step 3: Cross multiply
    11,768.04x = 17,640.78 × 4,370.52
  4. Step 4: Simplify right side
    11,768.04x = 77,099,381.81
  5. Step 5: Solve for x
    x = 77,099,381.81/11,768.04
  6. Step 6: Final answer
    x = 6,551.59

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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.