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Finding the Fourth Proportional to 8,047.03, 12,015.50 and 7,208.68

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Solution

The fourth proportional to 8,047.03, 12,015.50 and 7,208.68 is: 10,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.03 : 12,015.50 = 7,208.68 : x
  2. Step 2: Convert to fraction form
    8,047.03/12,015.50 = 7,208.68/x
  3. Step 3: Cross multiply
    8,047.03x = 12,015.50 × 7,208.68
  4. Step 4: Simplify right side
    8,047.03x = 86,615,894.54
  5. Step 5: Solve for x
    x = 86,615,894.54/8,047.03
  6. Step 6: Final answer
    x = 10,763.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.