Home / 20,191.23-30,287.88-6,150.17

Finding the Fourth Proportional to 20,191.23, 30,287.88 and 6,150.17

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Solution

The fourth proportional to 20,191.23, 30,287.88 and 6,150.17 is: 9,225.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.23 : 30,287.88 = 6,150.17 : x
  2. Step 2: Convert to fraction form
    20,191.23/30,287.88 = 6,150.17/x
  3. Step 3: Cross multiply
    20,191.23x = 30,287.88 × 6,150.17
  4. Step 4: Simplify right side
    20,191.23x = 186,275,459.50
  5. Step 5: Solve for x
    x = 186,275,459.50/20,191.23
  6. Step 6: Final answer
    x = 9,225.56

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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.