Home / 10,211.72-15,321.44-6,955.52

Finding the Fourth Proportional to 10,211.72, 15,321.44 and 6,955.52

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Solution

The fourth proportional to 10,211.72, 15,321.44 and 6,955.52 is: 10,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.72 : 15,321.44 = 6,955.52 : x
  2. Step 2: Convert to fraction form
    10,211.72/15,321.44 = 6,955.52/x
  3. Step 3: Cross multiply
    10,211.72x = 15,321.44 × 6,955.52
  4. Step 4: Simplify right side
    10,211.72x = 106,568,582.35
  5. Step 5: Solve for x
    x = 106,568,582.35/10,211.72
  6. Step 6: Final answer
    x = 10,435.91

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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.