Home / 22,694.04-31,318.38-12,623.49

Finding the Fourth Proportional to 22,694.04, 31,318.38 and 12,623.49

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Solution

The fourth proportional to 22,694.04, 31,318.38 and 12,623.49 is: 17,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.04 : 31,318.38 = 12,623.49 : x
  2. Step 2: Convert to fraction form
    22,694.04/31,318.38 = 12,623.49/x
  3. Step 3: Cross multiply
    22,694.04x = 31,318.38 × 12,623.49
  4. Step 4: Simplify right side
    22,694.04x = 395,347,256.75
  5. Step 5: Solve for x
    x = 395,347,256.75/22,694.04
  6. Step 6: Final answer
    x = 17,420.75

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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.