Home / 15,799.43-21,803.22-8,725.88

Finding the Fourth Proportional to 15,799.43, 21,803.22 and 8,725.88

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Solution

The fourth proportional to 15,799.43, 21,803.22 and 8,725.88 is: 12,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,799.43 : 21,803.22 = 8,725.88 : x
  2. Step 2: Convert to fraction form
    15,799.43/21,803.22 = 8,725.88/x
  3. Step 3: Cross multiply
    15,799.43x = 21,803.22 × 8,725.88
  4. Step 4: Simplify right side
    15,799.43x = 190,252,172.32
  5. Step 5: Solve for x
    x = 190,252,172.32/15,799.43
  6. Step 6: Final answer
    x = 12,041.71

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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.