Home / 10,419.19-15,628.79-4,575.85

Finding the Fourth Proportional to 10,419.19, 15,628.79 and 4,575.85

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Solution

The fourth proportional to 10,419.19, 15,628.79 and 4,575.85 is: 6,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.19 : 15,628.79 = 4,575.85 : x
  2. Step 2: Convert to fraction form
    10,419.19/15,628.79 = 4,575.85/x
  3. Step 3: Cross multiply
    10,419.19x = 15,628.79 × 4,575.85
  4. Step 4: Simplify right side
    10,419.19x = 71,514,998.72
  5. Step 5: Solve for x
    x = 71,514,998.72/10,419.19
  6. Step 6: Final answer
    x = 6,863.78

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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.