Home / 22,971.36-31,691.43-13,274.42

Finding the Fourth Proportional to 22,971.36, 31,691.43 and 13,274.42

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Solution

The fourth proportional to 22,971.36, 31,691.43 and 13,274.42 is: 18,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971.36 : 31,691.43 = 13,274.42 : x
  2. Step 2: Convert to fraction form
    22,971.36/31,691.43 = 13,274.42/x
  3. Step 3: Cross multiply
    22,971.36x = 31,691.43 × 13,274.42
  4. Step 4: Simplify right side
    22,971.36x = 420,685,193.76
  5. Step 5: Solve for x
    x = 420,685,193.76/22,971.36
  6. Step 6: Final answer
    x = 18,313.46

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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.