Home / 22,671.46-31,283.04-13,107.79

Finding the Fourth Proportional to 22,671.46, 31,283.04 and 13,107.79

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Solution

The fourth proportional to 22,671.46, 31,283.04 and 13,107.79 is: 18,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.46 : 31,283.04 = 13,107.79 : x
  2. Step 2: Convert to fraction form
    22,671.46/31,283.04 = 13,107.79/x
  3. Step 3: Cross multiply
    22,671.46x = 31,283.04 × 13,107.79
  4. Step 4: Simplify right side
    22,671.46x = 410,051,518.88
  5. Step 5: Solve for x
    x = 410,051,518.88/22,671.46
  6. Step 6: Final answer
    x = 18,086.68

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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.