Home / 22,254.22-30,717.66-12,829.06

Finding the Fourth Proportional to 22,254.22, 30,717.66 and 12,829.06

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Solution

The fourth proportional to 22,254.22, 30,717.66 and 12,829.06 is: 17,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.22 : 30,717.66 = 12,829.06 : x
  2. Step 2: Convert to fraction form
    22,254.22/30,717.66 = 12,829.06/x
  3. Step 3: Cross multiply
    22,254.22x = 30,717.66 × 12,829.06
  4. Step 4: Simplify right side
    22,254.22x = 394,078,703.20
  5. Step 5: Solve for x
    x = 394,078,703.20/22,254.22
  6. Step 6: Final answer
    x = 17,708.04

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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.