Home / 15,573.22-21,481.42-11,098.40

Finding the Fourth Proportional to 15,573.22, 21,481.42 and 11,098.40

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Solution

The fourth proportional to 15,573.22, 21,481.42 and 11,098.40 is: 15,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.22 : 21,481.42 = 11,098.40 : x
  2. Step 2: Convert to fraction form
    15,573.22/21,481.42 = 11,098.40/x
  3. Step 3: Cross multiply
    15,573.22x = 21,481.42 × 11,098.40
  4. Step 4: Simplify right side
    15,573.22x = 238,409,391.73
  5. Step 5: Solve for x
    x = 238,409,391.73/15,573.22
  6. Step 6: Final answer
    x = 15,308.93

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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.