Home / 15,512.33-21,404.29-8,797.02

Finding the Fourth Proportional to 15,512.33, 21,404.29 and 8,797.02

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Solution

The fourth proportional to 15,512.33, 21,404.29 and 8,797.02 is: 12,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.33 : 21,404.29 = 8,797.02 : x
  2. Step 2: Convert to fraction form
    15,512.33/21,404.29 = 8,797.02/x
  3. Step 3: Cross multiply
    15,512.33x = 21,404.29 × 8,797.02
  4. Step 4: Simplify right side
    15,512.33x = 188,293,967.22
  5. Step 5: Solve for x
    x = 188,293,967.22/15,512.33
  6. Step 6: Final answer
    x = 12,138.34

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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.