Home / 20,240.08-30,352.83-8,554.21

Finding the Fourth Proportional to 20,240.08, 30,352.83 and 8,554.21

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Solution

The fourth proportional to 20,240.08, 30,352.83 and 8,554.21 is: 12,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.08 : 30,352.83 = 8,554.21 : x
  2. Step 2: Convert to fraction form
    20,240.08/30,352.83 = 8,554.21/x
  3. Step 3: Cross multiply
    20,240.08x = 30,352.83 × 8,554.21
  4. Step 4: Simplify right side
    20,240.08x = 259,644,373.95
  5. Step 5: Solve for x
    x = 259,644,373.95/20,240.08
  6. Step 6: Final answer
    x = 12,828.23

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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.