Home / 22,918.82-31,626.45-12,847.16

Finding the Fourth Proportional to 22,918.82, 31,626.45 and 12,847.16

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Solution

The fourth proportional to 22,918.82, 31,626.45 and 12,847.16 is: 17,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.82 : 31,626.45 = 12,847.16 : x
  2. Step 2: Convert to fraction form
    22,918.82/31,626.45 = 12,847.16/x
  3. Step 3: Cross multiply
    22,918.82x = 31,626.45 × 12,847.16
  4. Step 4: Simplify right side
    22,918.82x = 406,310,063.38
  5. Step 5: Solve for x
    x = 406,310,063.38/22,918.82
  6. Step 6: Final answer
    x = 17,728.23

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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.