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Finding the Fourth Proportional to 11,089.98, 15,304.07 and 6,839.34

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Solution

The fourth proportional to 11,089.98, 15,304.07 and 6,839.34 is: 9,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.98 : 15,304.07 = 6,839.34 : x
  2. Step 2: Convert to fraction form
    11,089.98/15,304.07 = 6,839.34/x
  3. Step 3: Cross multiply
    11,089.98x = 15,304.07 × 6,839.34
  4. Step 4: Simplify right side
    11,089.98x = 104,669,703.92
  5. Step 5: Solve for x
    x = 104,669,703.92/11,089.98
  6. Step 6: Final answer
    x = 9,438.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.