Home / 11,350.30-17,023.55-5,430.82

Finding the Fourth Proportional to 11,350.30, 17,023.55 and 5,430.82

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Solution

The fourth proportional to 11,350.30, 17,023.55 and 5,430.82 is: 8,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.30 : 17,023.55 = 5,430.82 : x
  2. Step 2: Convert to fraction form
    11,350.30/17,023.55 = 5,430.82/x
  3. Step 3: Cross multiply
    11,350.30x = 17,023.55 × 5,430.82
  4. Step 4: Simplify right side
    11,350.30x = 92,451,750.69
  5. Step 5: Solve for x
    x = 92,451,750.69/11,350.30
  6. Step 6: Final answer
    x = 8,145.32

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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.