Home / 22,695.14-31,317.48-12,622.79

Finding the Fourth Proportional to 22,695.14, 31,317.48 and 12,622.79

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Solution

The fourth proportional to 22,695.14, 31,317.48 and 12,622.79 is: 17,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.14 : 31,317.48 = 12,622.79 : x
  2. Step 2: Convert to fraction form
    22,695.14/31,317.48 = 12,622.79/x
  3. Step 3: Cross multiply
    22,695.14x = 31,317.48 × 12,622.79
  4. Step 4: Simplify right side
    22,695.14x = 395,313,973.37
  5. Step 5: Solve for x
    x = 395,313,973.37/22,695.14
  6. Step 6: Final answer
    x = 17,418.44

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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.