Home / 10,686.06-16,031.12-3,289.14

Finding the Fourth Proportional to 10,686.06, 16,031.12 and 3,289.14

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Solution

The fourth proportional to 10,686.06, 16,031.12 and 3,289.14 is: 4,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.06 : 16,031.12 = 3,289.14 : x
  2. Step 2: Convert to fraction form
    10,686.06/16,031.12 = 3,289.14/x
  3. Step 3: Cross multiply
    10,686.06x = 16,031.12 × 3,289.14
  4. Step 4: Simplify right side
    10,686.06x = 52,728,581.59
  5. Step 5: Solve for x
    x = 52,728,581.59/10,686.06
  6. Step 6: Final answer
    x = 4,934.33

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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.