Home / 22,908.85-31,616.13-12,837.13

Finding the Fourth Proportional to 22,908.85, 31,616.13 and 12,837.13

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Solution

The fourth proportional to 22,908.85, 31,616.13 and 12,837.13 is: 17,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.85 : 31,616.13 = 12,837.13 : x
  2. Step 2: Convert to fraction form
    22,908.85/31,616.13 = 12,837.13/x
  3. Step 3: Cross multiply
    22,908.85x = 31,616.13 × 12,837.13
  4. Step 4: Simplify right side
    22,908.85x = 405,860,370.91
  5. Step 5: Solve for x
    x = 405,860,370.91/22,908.85
  6. Step 6: Final answer
    x = 17,716.31

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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.