Home / 23,161.43-31,962.80-12,551.09

Finding the Fourth Proportional to 23,161.43, 31,962.80 and 12,551.09

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Solution

The fourth proportional to 23,161.43, 31,962.80 and 12,551.09 is: 17,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.43 : 31,962.80 = 12,551.09 : x
  2. Step 2: Convert to fraction form
    23,161.43/31,962.80 = 12,551.09/x
  3. Step 3: Cross multiply
    23,161.43x = 31,962.80 × 12,551.09
  4. Step 4: Simplify right side
    23,161.43x = 401,167,851.02
  5. Step 5: Solve for x
    x = 401,167,851.02/23,161.43
  6. Step 6: Final answer
    x = 17,320.51

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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.