Home / 20,297.25-30,419.15-8,595.99

Finding the Fourth Proportional to 20,297.25, 30,419.15 and 8,595.99

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Solution

The fourth proportional to 20,297.25, 30,419.15 and 8,595.99 is: 12,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.25 : 30,419.15 = 8,595.99 : x
  2. Step 2: Convert to fraction form
    20,297.25/30,419.15 = 8,595.99/x
  3. Step 3: Cross multiply
    20,297.25x = 30,419.15 × 8,595.99
  4. Step 4: Simplify right side
    20,297.25x = 261,482,666.23
  5. Step 5: Solve for x
    x = 261,482,666.23/20,297.25
  6. Step 6: Final answer
    x = 12,882.66

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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.