Home / 11,586.78-17,397.45-6,661.98

Finding the Fourth Proportional to 11,586.78, 17,397.45 and 6,661.98

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Solution

The fourth proportional to 11,586.78, 17,397.45 and 6,661.98 is: 10,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.78 : 17,397.45 = 6,661.98 : x
  2. Step 2: Convert to fraction form
    11,586.78/17,397.45 = 6,661.98/x
  3. Step 3: Cross multiply
    11,586.78x = 17,397.45 × 6,661.98
  4. Step 4: Simplify right side
    11,586.78x = 115,901,463.95
  5. Step 5: Solve for x
    x = 115,901,463.95/11,586.78
  6. Step 6: Final answer
    x = 10,002.91

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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.