Home / 11,684.42-16,124.28-6,379.16

Finding the Fourth Proportional to 11,684.42, 16,124.28 and 6,379.16

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Solution

The fourth proportional to 11,684.42, 16,124.28 and 6,379.16 is: 8,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.42 : 16,124.28 = 6,379.16 : x
  2. Step 2: Convert to fraction form
    11,684.42/16,124.28 = 6,379.16/x
  3. Step 3: Cross multiply
    11,684.42x = 16,124.28 × 6,379.16
  4. Step 4: Simplify right side
    11,684.42x = 102,859,362.00
  5. Step 5: Solve for x
    x = 102,859,362.00/11,684.42
  6. Step 6: Final answer
    x = 8,803.12

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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.