Home / 20,069.40-30,104.10-9,682.20

Finding the Fourth Proportional to 20,069.40, 30,104.10 and 9,682.20

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Solution

The fourth proportional to 20,069.40, 30,104.10 and 9,682.20 is: 14,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.40 : 30,104.10 = 9,682.20 : x
  2. Step 2: Convert to fraction form
    20,069.40/30,104.10 = 9,682.20/x
  3. Step 3: Cross multiply
    20,069.40x = 30,104.10 × 9,682.20
  4. Step 4: Simplify right side
    20,069.40x = 291,473,917.02
  5. Step 5: Solve for x
    x = 291,473,917.02/20,069.40
  6. Step 6: Final answer
    x = 14,523.30

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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.