Home / 18,725.04-28,066.68-8,335.44

Finding the Fourth Proportional to 18,725.04, 28,066.68 and 8,335.44

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Solution

The fourth proportional to 18,725.04, 28,066.68 and 8,335.44 is: 12,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.04 : 28,066.68 = 8,335.44 : x
  2. Step 2: Convert to fraction form
    18,725.04/28,066.68 = 8,335.44/x
  3. Step 3: Cross multiply
    18,725.04x = 28,066.68 × 8,335.44
  4. Step 4: Simplify right side
    18,725.04x = 233,948,127.14
  5. Step 5: Solve for x
    x = 233,948,127.14/18,725.04
  6. Step 6: Final answer
    x = 12,493.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.