Home / 10,120.32-15,176.84-4,277.39

Finding the Fourth Proportional to 10,120.32, 15,176.84 and 4,277.39

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Solution

The fourth proportional to 10,120.32, 15,176.84 and 4,277.39 is: 6,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.32 : 15,176.84 = 4,277.39 : x
  2. Step 2: Convert to fraction form
    10,120.32/15,176.84 = 4,277.39/x
  3. Step 3: Cross multiply
    10,120.32x = 15,176.84 × 4,277.39
  4. Step 4: Simplify right side
    10,120.32x = 64,917,166.38
  5. Step 5: Solve for x
    x = 64,917,166.38/10,120.32
  6. Step 6: Final answer
    x = 6,414.54

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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.