Home / 10,686.26-16,031.92-3,666.36

Finding the Fourth Proportional to 10,686.26, 16,031.92 and 3,666.36

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Solution

The fourth proportional to 10,686.26, 16,031.92 and 3,666.36 is: 5,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.26 : 16,031.92 = 3,666.36 : x
  2. Step 2: Convert to fraction form
    10,686.26/16,031.92 = 3,666.36/x
  3. Step 3: Cross multiply
    10,686.26x = 16,031.92 × 3,666.36
  4. Step 4: Simplify right side
    10,686.26x = 58,778,790.21
  5. Step 5: Solve for x
    x = 58,778,790.21/10,686.26
  6. Step 6: Final answer
    x = 5,500.41

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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.