Home / 10,558.32-15,837.72-3,982.92

Finding the Fourth Proportional to 10,558.32, 15,837.72 and 3,982.92

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Solution

The fourth proportional to 10,558.32, 15,837.72 and 3,982.92 is: 5,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.32 : 15,837.72 = 3,982.92 : x
  2. Step 2: Convert to fraction form
    10,558.32/15,837.72 = 3,982.92/x
  3. Step 3: Cross multiply
    10,558.32x = 15,837.72 × 3,982.92
  4. Step 4: Simplify right side
    10,558.32x = 63,080,371.74
  5. Step 5: Solve for x
    x = 63,080,371.74/10,558.32
  6. Step 6: Final answer
    x = 5,974.47

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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.