Home / 11,838.18-17,751.45-6,909.06

Finding the Fourth Proportional to 11,838.18, 17,751.45 and 6,909.06

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Solution

The fourth proportional to 11,838.18, 17,751.45 and 6,909.06 is: 10,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.18 : 17,751.45 = 6,909.06 : x
  2. Step 2: Convert to fraction form
    11,838.18/17,751.45 = 6,909.06/x
  3. Step 3: Cross multiply
    11,838.18x = 17,751.45 × 6,909.06
  4. Step 4: Simplify right side
    11,838.18x = 122,645,833.14
  5. Step 5: Solve for x
    x = 122,645,833.14/11,838.18
  6. Step 6: Final answer
    x = 10,360.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.