Home / 22,622.26-31,217.30-13,664.47

Finding the Fourth Proportional to 22,622.26, 31,217.30 and 13,664.47

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Solution

The fourth proportional to 22,622.26, 31,217.30 and 13,664.47 is: 18,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.26 : 31,217.30 = 13,664.47 : x
  2. Step 2: Convert to fraction form
    22,622.26/31,217.30 = 13,664.47/x
  3. Step 3: Cross multiply
    22,622.26x = 31,217.30 × 13,664.47
  4. Step 4: Simplify right side
    22,622.26x = 426,567,737.41
  5. Step 5: Solve for x
    x = 426,567,737.41/22,622.26
  6. Step 6: Final answer
    x = 18,856.11

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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.