Home / 11,639.86-16,063.37-6,604.29

Finding the Fourth Proportional to 11,639.86, 16,063.37 and 6,604.29

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Solution

The fourth proportional to 11,639.86, 16,063.37 and 6,604.29 is: 9,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.86 : 16,063.37 = 6,604.29 : x
  2. Step 2: Convert to fraction form
    11,639.86/16,063.37 = 6,604.29/x
  3. Step 3: Cross multiply
    11,639.86x = 16,063.37 × 6,604.29
  4. Step 4: Simplify right side
    11,639.86x = 106,087,120.84
  5. Step 5: Solve for x
    x = 106,087,120.84/11,639.86
  6. Step 6: Final answer
    x = 9,114.13

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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.