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Finding the Fourth Proportional to 10,005.52, 15,010.12 and 5,010.52

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Solution

The fourth proportional to 10,005.52, 15,010.12 and 5,010.52 is: 7,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.52 : 15,010.12 = 5,010.52 : x
  2. Step 2: Convert to fraction form
    10,005.52/15,010.12 = 5,010.52/x
  3. Step 3: Cross multiply
    10,005.52x = 15,010.12 × 5,010.52
  4. Step 4: Simplify right side
    10,005.52x = 75,208,506.46
  5. Step 5: Solve for x
    x = 75,208,506.46/10,005.52
  6. Step 6: Final answer
    x = 7,516.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.