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Finding the Fourth Proportional to 10,940.53, 15,095.94 and 6,159.73

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Solution

The fourth proportional to 10,940.53, 15,095.94 and 6,159.73 is: 8,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.53 : 15,095.94 = 6,159.73 : x
  2. Step 2: Convert to fraction form
    10,940.53/15,095.94 = 6,159.73/x
  3. Step 3: Cross multiply
    10,940.53x = 15,095.94 × 6,159.73
  4. Step 4: Simplify right side
    10,940.53x = 92,986,914.50
  5. Step 5: Solve for x
    x = 92,986,914.50/10,940.53
  6. Step 6: Final answer
    x = 8,499.31

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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.