Home / 11,085.62-15,300.12-6,609.66

Finding the Fourth Proportional to 11,085.62, 15,300.12 and 6,609.66

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Solution

The fourth proportional to 11,085.62, 15,300.12 and 6,609.66 is: 9,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.62 : 15,300.12 = 6,609.66 : x
  2. Step 2: Convert to fraction form
    11,085.62/15,300.12 = 6,609.66/x
  3. Step 3: Cross multiply
    11,085.62x = 15,300.12 × 6,609.66
  4. Step 4: Simplify right side
    11,085.62x = 101,128,591.16
  5. Step 5: Solve for x
    x = 101,128,591.16/11,085.62
  6. Step 6: Final answer
    x = 9,122.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.