Home / 11,391.98-17,088.34-4,001.58

Finding the Fourth Proportional to 11,391.98, 17,088.34 and 4,001.58

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Solution

The fourth proportional to 11,391.98, 17,088.34 and 4,001.58 is: 6,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.98 : 17,088.34 = 4,001.58 : x
  2. Step 2: Convert to fraction form
    11,391.98/17,088.34 = 4,001.58/x
  3. Step 3: Cross multiply
    11,391.98x = 17,088.34 × 4,001.58
  4. Step 4: Simplify right side
    11,391.98x = 68,380,359.58
  5. Step 5: Solve for x
    x = 68,380,359.58/11,391.98
  6. Step 6: Final answer
    x = 6,002.50

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1.5x scale

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.