Home / 11,686.41-16,127.46-6,381.24

Finding the Fourth Proportional to 11,686.41, 16,127.46 and 6,381.24

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Solution

The fourth proportional to 11,686.41, 16,127.46 and 6,381.24 is: 8,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.41 : 16,127.46 = 6,381.24 : x
  2. Step 2: Convert to fraction form
    11,686.41/16,127.46 = 6,381.24/x
  3. Step 3: Cross multiply
    11,686.41x = 16,127.46 × 6,381.24
  4. Step 4: Simplify right side
    11,686.41x = 102,913,192.85
  5. Step 5: Solve for x
    x = 102,913,192.85/11,686.41
  6. Step 6: Final answer
    x = 8,806.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.