Home / 22,618.54-31,215.50-12,550.22

Finding the Fourth Proportional to 22,618.54, 31,215.50 and 12,550.22

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Solution

The fourth proportional to 22,618.54, 31,215.50 and 12,550.22 is: 17,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.54 : 31,215.50 = 12,550.22 : x
  2. Step 2: Convert to fraction form
    22,618.54/31,215.50 = 12,550.22/x
  3. Step 3: Cross multiply
    22,618.54x = 31,215.50 × 12,550.22
  4. Step 4: Simplify right side
    22,618.54x = 391,761,392.41
  5. Step 5: Solve for x
    x = 391,761,392.41/22,618.54
  6. Step 6: Final answer
    x = 17,320.37

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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.