Home / 22,913.78-31,622.25-12,845.46

Finding the Fourth Proportional to 22,913.78, 31,622.25 and 12,845.46

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Solution

The fourth proportional to 22,913.78, 31,622.25 and 12,845.46 is: 17,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.78 : 31,622.25 = 12,845.46 : x
  2. Step 2: Convert to fraction form
    22,913.78/31,622.25 = 12,845.46/x
  3. Step 3: Cross multiply
    22,913.78x = 31,622.25 × 12,845.46
  4. Step 4: Simplify right side
    22,913.78x = 406,202,347.49
  5. Step 5: Solve for x
    x = 406,202,347.49/22,913.78
  6. Step 6: Final answer
    x = 17,727.43

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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.