Home / 20,114.03-30,145.52-9,020.27

Finding the Fourth Proportional to 20,114.03, 30,145.52 and 9,020.27

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Solution

The fourth proportional to 20,114.03, 30,145.52 and 9,020.27 is: 13,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.03 : 30,145.52 = 9,020.27 : x
  2. Step 2: Convert to fraction form
    20,114.03/30,145.52 = 9,020.27/x
  3. Step 3: Cross multiply
    20,114.03x = 30,145.52 × 9,020.27
  4. Step 4: Simplify right side
    20,114.03x = 271,920,533.86
  5. Step 5: Solve for x
    x = 271,920,533.86/20,114.03
  6. Step 6: Final answer
    x = 13,518.95

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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.