Home / 20,281.11-30,419.25-6,241.11

Finding the Fourth Proportional to 20,281.11, 30,419.25 and 6,241.11

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Solution

The fourth proportional to 20,281.11, 30,419.25 and 6,241.11 is: 9,360.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.11 : 30,419.25 = 6,241.11 : x
  2. Step 2: Convert to fraction form
    20,281.11/30,419.25 = 6,241.11/x
  3. Step 3: Cross multiply
    20,281.11x = 30,419.25 × 6,241.11
  4. Step 4: Simplify right side
    20,281.11x = 189,849,885.37
  5. Step 5: Solve for x
    x = 189,849,885.37/20,281.11
  6. Step 6: Final answer
    x = 9,360.92

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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.