Home / 22,906.29-31,612.70-12,834.66

Finding the Fourth Proportional to 22,906.29, 31,612.70 and 12,834.66

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Solution

The fourth proportional to 22,906.29, 31,612.70 and 12,834.66 is: 17,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.29 : 31,612.70 = 12,834.66 : x
  2. Step 2: Convert to fraction form
    22,906.29/31,612.70 = 12,834.66/x
  3. Step 3: Cross multiply
    22,906.29x = 31,612.70 × 12,834.66
  4. Step 4: Simplify right side
    22,906.29x = 405,738,256.18
  5. Step 5: Solve for x
    x = 405,738,256.18/22,906.29
  6. Step 6: Final answer
    x = 17,712.96

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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.