Home / 11,853.07-17,780.55-6,923.21

Finding the Fourth Proportional to 11,853.07, 17,780.55 and 6,923.21

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Solution

The fourth proportional to 11,853.07, 17,780.55 and 6,923.21 is: 10,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.07 : 17,780.55 = 6,923.21 : x
  2. Step 2: Convert to fraction form
    11,853.07/17,780.55 = 6,923.21/x
  3. Step 3: Cross multiply
    11,853.07x = 17,780.55 × 6,923.21
  4. Step 4: Simplify right side
    11,853.07x = 123,098,366.70
  5. Step 5: Solve for x
    x = 123,098,366.70/11,853.07
  6. Step 6: Final answer
    x = 10,385.36

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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.