Home / 10,286.60-15,437.10-4,447.40

Finding the Fourth Proportional to 10,286.60, 15,437.10 and 4,447.40

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Solution

The fourth proportional to 10,286.60, 15,437.10 and 4,447.40 is: 6,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.60 : 15,437.10 = 4,447.40 : x
  2. Step 2: Convert to fraction form
    10,286.60/15,437.10 = 4,447.40/x
  3. Step 3: Cross multiply
    10,286.60x = 15,437.10 × 4,447.40
  4. Step 4: Simplify right side
    10,286.60x = 68,654,958.54
  5. Step 5: Solve for x
    x = 68,654,958.54/10,286.60
  6. Step 6: Final answer
    x = 6,674.21

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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.