Home / 10,641.25-15,953.40-6,896.86

Finding the Fourth Proportional to 10,641.25, 15,953.40 and 6,896.86

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Solution

The fourth proportional to 10,641.25, 15,953.40 and 6,896.86 is: 10,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.25 : 15,953.40 = 6,896.86 : x
  2. Step 2: Convert to fraction form
    10,641.25/15,953.40 = 6,896.86/x
  3. Step 3: Cross multiply
    10,641.25x = 15,953.40 × 6,896.86
  4. Step 4: Simplify right side
    10,641.25x = 110,028,286.56
  5. Step 5: Solve for x
    x = 110,028,286.56/10,641.25
  6. Step 6: Final answer
    x = 10,339.79

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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.