Home / 20,209.23-30,326.13-8,522.44

Finding the Fourth Proportional to 20,209.23, 30,326.13 and 8,522.44

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Solution

The fourth proportional to 20,209.23, 30,326.13 and 8,522.44 is: 12,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209.23 : 30,326.13 = 8,522.44 : x
  2. Step 2: Convert to fraction form
    20,209.23/30,326.13 = 8,522.44/x
  3. Step 3: Cross multiply
    20,209.23x = 30,326.13 × 8,522.44
  4. Step 4: Simplify right side
    20,209.23x = 258,452,547.54
  5. Step 5: Solve for x
    x = 258,452,547.54/20,209.23
  6. Step 6: Final answer
    x = 12,788.84

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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.