Home / 11,867.50-17,789.61-6,605.03

Finding the Fourth Proportional to 11,867.50, 17,789.61 and 6,605.03

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Solution

The fourth proportional to 11,867.50, 17,789.61 and 6,605.03 is: 9,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.50 : 17,789.61 = 6,605.03 : x
  2. Step 2: Convert to fraction form
    11,867.50/17,789.61 = 6,605.03/x
  3. Step 3: Cross multiply
    11,867.50x = 17,789.61 × 6,605.03
  4. Step 4: Simplify right side
    11,867.50x = 117,500,874.71
  5. Step 5: Solve for x
    x = 117,500,874.71/11,867.50
  6. Step 6: Final answer
    x = 9,901.06

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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.