Home / 11,841.30-17,765.55-6,643.70

Finding the Fourth Proportional to 11,841.30, 17,765.55 and 6,643.70

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Solution

The fourth proportional to 11,841.30, 17,765.55 and 6,643.70 is: 9,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.30 : 17,765.55 = 6,643.70 : x
  2. Step 2: Convert to fraction form
    11,841.30/17,765.55 = 6,643.70/x
  3. Step 3: Cross multiply
    11,841.30x = 17,765.55 × 6,643.70
  4. Step 4: Simplify right side
    11,841.30x = 118,028,984.54
  5. Step 5: Solve for x
    x = 118,028,984.54/11,841.30
  6. Step 6: Final answer
    x = 9,967.57

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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.