Home / 11,748.78-17,620.74-4,353.08

Finding the Fourth Proportional to 11,748.78, 17,620.74 and 4,353.08

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Solution

The fourth proportional to 11,748.78, 17,620.74 and 4,353.08 is: 6,528.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.78 : 17,620.74 = 4,353.08 : x
  2. Step 2: Convert to fraction form
    11,748.78/17,620.74 = 4,353.08/x
  3. Step 3: Cross multiply
    11,748.78x = 17,620.74 × 4,353.08
  4. Step 4: Simplify right side
    11,748.78x = 76,704,402.78
  5. Step 5: Solve for x
    x = 76,704,402.78/11,748.78
  6. Step 6: Final answer
    x = 6,528.71

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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.