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Finding the Fourth Proportional to 8,661.23, 13,001.03 and 7,037.38

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Solution

The fourth proportional to 8,661.23, 13,001.03 and 7,037.38 is: 10,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661.23 : 13,001.03 = 7,037.38 : x
  2. Step 2: Convert to fraction form
    8,661.23/13,001.03 = 7,037.38/x
  3. Step 3: Cross multiply
    8,661.23x = 13,001.03 × 7,037.38
  4. Step 4: Simplify right side
    8,661.23x = 91,493,188.50
  5. Step 5: Solve for x
    x = 91,493,188.50/8,661.23
  6. Step 6: Final answer
    x = 10,563.53

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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.