Home / 11,500.52-17,250.76-3,603.64

Finding the Fourth Proportional to 11,500.52, 17,250.76 and 3,603.64

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Solution

The fourth proportional to 11,500.52, 17,250.76 and 3,603.64 is: 5,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.52 : 17,250.76 = 3,603.64 : x
  2. Step 2: Convert to fraction form
    11,500.52/17,250.76 = 3,603.64/x
  3. Step 3: Cross multiply
    11,500.52x = 17,250.76 × 3,603.64
  4. Step 4: Simplify right side
    11,500.52x = 62,165,546.75
  5. Step 5: Solve for x
    x = 62,165,546.75/11,500.52
  6. Step 6: Final answer
    x = 5,405.45

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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.