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Finding the Fourth Proportional to 8,009.04, 12,015.72 and 7,237.92

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Solution

The fourth proportional to 8,009.04, 12,015.72 and 7,237.92 is: 10,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.04 : 12,015.72 = 7,237.92 : x
  2. Step 2: Convert to fraction form
    8,009.04/12,015.72 = 7,237.92/x
  3. Step 3: Cross multiply
    8,009.04x = 12,015.72 × 7,237.92
  4. Step 4: Simplify right side
    8,009.04x = 86,968,820.10
  5. Step 5: Solve for x
    x = 86,968,820.10/8,009.04
  6. Step 6: Final answer
    x = 10,858.83

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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.