Home / 22,619.00-31,213.49-13,664.95

Finding the Fourth Proportional to 22,619.00, 31,213.49 and 13,664.95

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Solution

The fourth proportional to 22,619.00, 31,213.49 and 13,664.95 is: 18,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.00 : 31,213.49 = 13,664.95 : x
  2. Step 2: Convert to fraction form
    22,619.00/31,213.49 = 13,664.95/x
  3. Step 3: Cross multiply
    22,619.00x = 31,213.49 × 13,664.95
  4. Step 4: Simplify right side
    22,619.00x = 426,530,633.82
  5. Step 5: Solve for x
    x = 426,530,633.82/22,619.00
  6. Step 6: Final answer
    x = 18,857.18

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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.