Home / 10,875.38-16,311.68-3,479.22

Finding the Fourth Proportional to 10,875.38, 16,311.68 and 3,479.22

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Solution

The fourth proportional to 10,875.38, 16,311.68 and 3,479.22 is: 5,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.38 : 16,311.68 = 3,479.22 : x
  2. Step 2: Convert to fraction form
    10,875.38/16,311.68 = 3,479.22/x
  3. Step 3: Cross multiply
    10,875.38x = 16,311.68 × 3,479.22
  4. Step 4: Simplify right side
    10,875.38x = 56,751,923.29
  5. Step 5: Solve for x
    x = 56,751,923.29/10,875.38
  6. Step 6: Final answer
    x = 5,218.39

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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.