Home / 11,809.62-16,298.10-6,775.38

Finding the Fourth Proportional to 11,809.62, 16,298.10 and 6,775.38

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Solution

The fourth proportional to 11,809.62, 16,298.10 and 6,775.38 is: 9,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.62 : 16,298.10 = 6,775.38 : x
  2. Step 2: Convert to fraction form
    11,809.62/16,298.10 = 6,775.38/x
  3. Step 3: Cross multiply
    11,809.62x = 16,298.10 × 6,775.38
  4. Step 4: Simplify right side
    11,809.62x = 110,425,820.78
  5. Step 5: Solve for x
    x = 110,425,820.78/11,809.62
  6. Step 6: Final answer
    x = 9,350.50

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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.