Home / 22,987.62-34,463.88-11,887.22

Finding the Fourth Proportional to 22,987.62, 34,463.88 and 11,887.22

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Solution

The fourth proportional to 22,987.62, 34,463.88 and 11,887.22 is: 17,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.62 : 34,463.88 = 11,887.22 : x
  2. Step 2: Convert to fraction form
    22,987.62/34,463.88 = 11,887.22/x
  3. Step 3: Cross multiply
    22,987.62x = 34,463.88 × 11,887.22
  4. Step 4: Simplify right side
    22,987.62x = 409,679,551.29
  5. Step 5: Solve for x
    x = 409,679,551.29/22,987.62
  6. Step 6: Final answer
    x = 17,821.75

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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.