Home / 21,883.52-30,199.24-11,947.52

Finding the Fourth Proportional to 21,883.52, 30,199.24 and 11,947.52

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Solution

The fourth proportional to 21,883.52, 30,199.24 and 11,947.52 is: 16,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.52 : 30,199.24 = 11,947.52 : x
  2. Step 2: Convert to fraction form
    21,883.52/30,199.24 = 11,947.52/x
  3. Step 3: Cross multiply
    21,883.52x = 30,199.24 × 11,947.52
  4. Step 4: Simplify right side
    21,883.52x = 360,806,023.88
  5. Step 5: Solve for x
    x = 360,806,023.88/21,883.52
  6. Step 6: Final answer
    x = 16,487.57

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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.