Home / 11,329.20-15,633.86-6,293.74

Finding the Fourth Proportional to 11,329.20, 15,633.86 and 6,293.74

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Solution

The fourth proportional to 11,329.20, 15,633.86 and 6,293.74 is: 8,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.20 : 15,633.86 = 6,293.74 : x
  2. Step 2: Convert to fraction form
    11,329.20/15,633.86 = 6,293.74/x
  3. Step 3: Cross multiply
    11,329.20x = 15,633.86 × 6,293.74
  4. Step 4: Simplify right side
    11,329.20x = 98,395,450.04
  5. Step 5: Solve for x
    x = 98,395,450.04/11,329.20
  6. Step 6: Final answer
    x = 8,685.12

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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.