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Finding the Fourth Proportional to 11,336.58, 15,640.11 and 8,359.47

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Solution

The fourth proportional to 11,336.58, 15,640.11 and 8,359.47 is: 11,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.58 : 15,640.11 = 8,359.47 : x
  2. Step 2: Convert to fraction form
    11,336.58/15,640.11 = 8,359.47/x
  3. Step 3: Cross multiply
    11,336.58x = 15,640.11 × 8,359.47
  4. Step 4: Simplify right side
    11,336.58x = 130,743,030.34
  5. Step 5: Solve for x
    x = 130,743,030.34/11,336.58
  6. Step 6: Final answer
    x = 11,532.85

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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.