Home / 11,353.08-17,023.76-5,107.78

Finding the Fourth Proportional to 11,353.08, 17,023.76 and 5,107.78

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Solution

The fourth proportional to 11,353.08, 17,023.76 and 5,107.78 is: 7,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.08 : 17,023.76 = 5,107.78 : x
  2. Step 2: Convert to fraction form
    11,353.08/17,023.76 = 5,107.78/x
  3. Step 3: Cross multiply
    11,353.08x = 17,023.76 × 5,107.78
  4. Step 4: Simplify right side
    11,353.08x = 86,953,552.75
  5. Step 5: Solve for x
    x = 86,953,552.75/11,353.08
  6. Step 6: Final answer
    x = 7,659.03

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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.