Home / 10,808.30-16,214.16-3,411.38

Finding the Fourth Proportional to 10,808.30, 16,214.16 and 3,411.38

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Solution

The fourth proportional to 10,808.30, 16,214.16 and 3,411.38 is: 5,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.30 : 16,214.16 = 3,411.38 : x
  2. Step 2: Convert to fraction form
    10,808.30/16,214.16 = 3,411.38/x
  3. Step 3: Cross multiply
    10,808.30x = 16,214.16 × 3,411.38
  4. Step 4: Simplify right side
    10,808.30x = 55,312,661.14
  5. Step 5: Solve for x
    x = 55,312,661.14/10,808.30
  6. Step 6: Final answer
    x = 5,117.61

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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.