Home / 22,778.94-34,178.13-11,089.02

Finding the Fourth Proportional to 22,778.94, 34,178.13 and 11,089.02

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Solution

The fourth proportional to 22,778.94, 34,178.13 and 11,089.02 is: 16,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.94 : 34,178.13 = 11,089.02 : x
  2. Step 2: Convert to fraction form
    22,778.94/34,178.13 = 11,089.02/x
  3. Step 3: Cross multiply
    22,778.94x = 34,178.13 × 11,089.02
  4. Step 4: Simplify right side
    22,778.94x = 379,001,967.13
  5. Step 5: Solve for x
    x = 379,001,967.13/22,778.94
  6. Step 6: Final answer
    x = 16,638.26

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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.