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Finding the Fourth Proportional to 11,338.02, 17,010 and 4,318.20

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Solution

The fourth proportional to 11,338.02, 17,010 and 4,318.20 is: 6,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.02 : 17,010 = 4,318.20 : x
  2. Step 2: Convert to fraction form
    11,338.02/17,010 = 4,318.20/x
  3. Step 3: Cross multiply
    11,338.02x = 17,010 × 4,318.20
  4. Step 4: Simplify right side
    11,338.02x = 73,452,582
  5. Step 5: Solve for x
    x = 73,452,582/11,338.02
  6. Step 6: Final answer
    x = 6,478.43

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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.