Home / 10,286.13-15,419.48-4,446.84

Finding the Fourth Proportional to 10,286.13, 15,419.48 and 4,446.84

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Solution

The fourth proportional to 10,286.13, 15,419.48 and 4,446.84 is: 6,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.13 : 15,419.48 = 4,446.84 : x
  2. Step 2: Convert to fraction form
    10,286.13/15,419.48 = 4,446.84/x
  3. Step 3: Cross multiply
    10,286.13x = 15,419.48 × 4,446.84
  4. Step 4: Simplify right side
    10,286.13x = 68,567,938.21
  5. Step 5: Solve for x
    x = 68,567,938.21/10,286.13
  6. Step 6: Final answer
    x = 6,666.06

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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.