Home / 8,008.64-11,999.20-7,197.04

Finding the Fourth Proportional to 8,008.64, 11,999.20 and 7,197.04

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Solution

The fourth proportional to 8,008.64, 11,999.20 and 7,197.04 is: 10,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.64 : 11,999.20 = 7,197.04 : x
  2. Step 2: Convert to fraction form
    8,008.64/11,999.20 = 7,197.04/x
  3. Step 3: Cross multiply
    8,008.64x = 11,999.20 × 7,197.04
  4. Step 4: Simplify right side
    8,008.64x = 86,358,722.37
  5. Step 5: Solve for x
    x = 86,358,722.37/8,008.64
  6. Step 6: Final answer
    x = 10,783.19

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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.