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Finding the Fourth Proportional to 11,530, 15,910.59 and 6,495.04

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Solution

The fourth proportional to 11,530, 15,910.59 and 6,495.04 is: 8,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530 : 15,910.59 = 6,495.04 : x
  2. Step 2: Convert to fraction form
    11,530/15,910.59 = 6,495.04/x
  3. Step 3: Cross multiply
    11,530x = 15,910.59 × 6,495.04
  4. Step 4: Simplify right side
    11,530x = 103,339,918.47
  5. Step 5: Solve for x
    x = 103,339,918.47/11,530
  6. Step 6: Final answer
    x = 8,962.70

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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.