Home / 21,882.52-30,197.86-11,946.52

Finding the Fourth Proportional to 21,882.52, 30,197.86 and 11,946.52

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Solution

The fourth proportional to 21,882.52, 30,197.86 and 11,946.52 is: 16,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.52 : 30,197.86 = 11,946.52 : x
  2. Step 2: Convert to fraction form
    21,882.52/30,197.86 = 11,946.52/x
  3. Step 3: Cross multiply
    21,882.52x = 30,197.86 × 11,946.52
  4. Step 4: Simplify right side
    21,882.52x = 360,759,338.45
  5. Step 5: Solve for x
    x = 360,759,338.45/21,882.52
  6. Step 6: Final answer
    x = 16,486.19

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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.