Home / 22,512.94-31,066.32-12,441.40

Finding the Fourth Proportional to 22,512.94, 31,066.32 and 12,441.40

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Solution

The fourth proportional to 22,512.94, 31,066.32 and 12,441.40 is: 17,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.94 : 31,066.32 = 12,441.40 : x
  2. Step 2: Convert to fraction form
    22,512.94/31,066.32 = 12,441.40/x
  3. Step 3: Cross multiply
    22,512.94x = 31,066.32 × 12,441.40
  4. Step 4: Simplify right side
    22,512.94x = 386,508,513.65
  5. Step 5: Solve for x
    x = 386,508,513.65/22,512.94
  6. Step 6: Final answer
    x = 17,168.28

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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.