Home / 10,886.32-16,330.52-3,865.64

Finding the Fourth Proportional to 10,886.32, 16,330.52 and 3,865.64

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Solution

The fourth proportional to 10,886.32, 16,330.52 and 3,865.64 is: 5,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.32 : 16,330.52 = 3,865.64 : x
  2. Step 2: Convert to fraction form
    10,886.32/16,330.52 = 3,865.64/x
  3. Step 3: Cross multiply
    10,886.32x = 16,330.52 × 3,865.64
  4. Step 4: Simplify right side
    10,886.32x = 63,127,911.33
  5. Step 5: Solve for x
    x = 63,127,911.33/10,886.32
  6. Step 6: Final answer
    x = 5,798.83

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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.