Home / 20,065.24-30,101.10-6,211

Finding the Fourth Proportional to 20,065.24, 30,101.10 and 6,211

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Solution

The fourth proportional to 20,065.24, 30,101.10 and 6,211 is: 9,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.24 : 30,101.10 = 6,211 : x
  2. Step 2: Convert to fraction form
    20,065.24/30,101.10 = 6,211/x
  3. Step 3: Cross multiply
    20,065.24x = 30,101.10 × 6,211
  4. Step 4: Simplify right side
    20,065.24x = 186,957,932.10
  5. Step 5: Solve for x
    x = 186,957,932.10/20,065.24
  6. Step 6: Final answer
    x = 9,317.50

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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.