Home / 10,180.70-15,257.69-7,378.94

Finding the Fourth Proportional to 10,180.70, 15,257.69 and 7,378.94

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Solution

The fourth proportional to 10,180.70, 15,257.69 and 7,378.94 is: 11,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.70 : 15,257.69 = 7,378.94 : x
  2. Step 2: Convert to fraction form
    10,180.70/15,257.69 = 7,378.94/x
  3. Step 3: Cross multiply
    10,180.70x = 15,257.69 × 7,378.94
  4. Step 4: Simplify right side
    10,180.70x = 112,585,579.05
  5. Step 5: Solve for x
    x = 112,585,579.05/10,180.70
  6. Step 6: Final answer
    x = 11,058.73

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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.