Home / 20,233.08-30,355.11-11,474.19

Finding the Fourth Proportional to 20,233.08, 30,355.11 and 11,474.19

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Solution

The fourth proportional to 20,233.08, 30,355.11 and 11,474.19 is: 17,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.08 : 30,355.11 = 11,474.19 : x
  2. Step 2: Convert to fraction form
    20,233.08/30,355.11 = 11,474.19/x
  3. Step 3: Cross multiply
    20,233.08x = 30,355.11 × 11,474.19
  4. Step 4: Simplify right side
    20,233.08x = 348,300,299.61
  5. Step 5: Solve for x
    x = 348,300,299.61/20,233.08
  6. Step 6: Final answer
    x = 17,214.40

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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.