Home / 22,118.98-33,176.04-7,885.66

Finding the Fourth Proportional to 22,118.98, 33,176.04 and 7,885.66

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Solution

The fourth proportional to 22,118.98, 33,176.04 and 7,885.66 is: 11,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.98 : 33,176.04 = 7,885.66 : x
  2. Step 2: Convert to fraction form
    22,118.98/33,176.04 = 7,885.66/x
  3. Step 3: Cross multiply
    22,118.98x = 33,176.04 × 7,885.66
  4. Step 4: Simplify right side
    22,118.98x = 261,614,971.59
  5. Step 5: Solve for x
    x = 261,614,971.59/22,118.98
  6. Step 6: Final answer
    x = 11,827.62

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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.