Home / 21,274.44-29,358.69-12,322.38

Finding the Fourth Proportional to 21,274.44, 29,358.69 and 12,322.38

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Solution

The fourth proportional to 21,274.44, 29,358.69 and 12,322.38 is: 17,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,274.44 : 29,358.69 = 12,322.38 : x
  2. Step 2: Convert to fraction form
    21,274.44/29,358.69 = 12,322.38/x
  3. Step 3: Cross multiply
    21,274.44x = 29,358.69 × 12,322.38
  4. Step 4: Simplify right side
    21,274.44x = 361,768,934.48
  5. Step 5: Solve for x
    x = 361,768,934.48/21,274.44
  6. Step 6: Final answer
    x = 17,004.86

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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.