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Finding the Fourth Proportional to 11,048.50, 15,246.96 and 6,080.50

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Solution

The fourth proportional to 11,048.50, 15,246.96 and 6,080.50 is: 8,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,048.50 : 15,246.96 = 6,080.50 : x
  2. Step 2: Convert to fraction form
    11,048.50/15,246.96 = 6,080.50/x
  3. Step 3: Cross multiply
    11,048.50x = 15,246.96 × 6,080.50
  4. Step 4: Simplify right side
    11,048.50x = 92,709,140.28
  5. Step 5: Solve for x
    x = 92,709,140.28/11,048.50
  6. Step 6: Final answer
    x = 8,391.11

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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.