Home / 15,837.12-21,835.35-11,584.76

Finding the Fourth Proportional to 15,837.12, 21,835.35 and 11,584.76

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Solution

The fourth proportional to 15,837.12, 21,835.35 and 11,584.76 is: 15,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837.12 : 21,835.35 = 11,584.76 : x
  2. Step 2: Convert to fraction form
    15,837.12/21,835.35 = 11,584.76/x
  3. Step 3: Cross multiply
    15,837.12x = 21,835.35 × 11,584.76
  4. Step 4: Simplify right side
    15,837.12x = 252,957,180.09
  5. Step 5: Solve for x
    x = 252,957,180.09/15,837.12
  6. Step 6: Final answer
    x = 15,972.42

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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.