Home / 22,850.91-31,532.94-12,641.34

Finding the Fourth Proportional to 22,850.91, 31,532.94 and 12,641.34

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Solution

The fourth proportional to 22,850.91, 31,532.94 and 12,641.34 is: 17,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.91 : 31,532.94 = 12,641.34 : x
  2. Step 2: Convert to fraction form
    22,850.91/31,532.94 = 12,641.34/x
  3. Step 3: Cross multiply
    22,850.91x = 31,532.94 × 12,641.34
  4. Step 4: Simplify right side
    22,850.91x = 398,618,615.74
  5. Step 5: Solve for x
    x = 398,618,615.74/22,850.91
  6. Step 6: Final answer
    x = 17,444.32

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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.