Home / 10,289.28-15,434.62-5,093.76

Finding the Fourth Proportional to 10,289.28, 15,434.62 and 5,093.76

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Solution

The fourth proportional to 10,289.28, 15,434.62 and 5,093.76 is: 7,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.28 : 15,434.62 = 5,093.76 : x
  2. Step 2: Convert to fraction form
    10,289.28/15,434.62 = 5,093.76/x
  3. Step 3: Cross multiply
    10,289.28x = 15,434.62 × 5,093.76
  4. Step 4: Simplify right side
    10,289.28x = 78,620,249.97
  5. Step 5: Solve for x
    x = 78,620,249.97/10,289.28
  6. Step 6: Final answer
    x = 7,640.99

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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.