Home / 20,191.01-30,284.12-5,401.08

Finding the Fourth Proportional to 20,191.01, 30,284.12 and 5,401.08

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Solution

The fourth proportional to 20,191.01, 30,284.12 and 5,401.08 is: 8,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.01 : 30,284.12 = 5,401.08 : x
  2. Step 2: Convert to fraction form
    20,191.01/30,284.12 = 5,401.08/x
  3. Step 3: Cross multiply
    20,191.01x = 30,284.12 × 5,401.08
  4. Step 4: Simplify right side
    20,191.01x = 163,566,968.35
  5. Step 5: Solve for x
    x = 163,566,968.35/20,191.01
  6. Step 6: Final answer
    x = 8,100.98

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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.