Home / 11,114.58-15,337.91-6,078.79

Finding the Fourth Proportional to 11,114.58, 15,337.91 and 6,078.79

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Solution

The fourth proportional to 11,114.58, 15,337.91 and 6,078.79 is: 8,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.58 : 15,337.91 = 6,078.79 : x
  2. Step 2: Convert to fraction form
    11,114.58/15,337.91 = 6,078.79/x
  3. Step 3: Cross multiply
    11,114.58x = 15,337.91 × 6,078.79
  4. Step 4: Simplify right side
    11,114.58x = 93,235,887.99
  5. Step 5: Solve for x
    x = 93,235,887.99/11,114.58
  6. Step 6: Final answer
    x = 8,388.61

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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.