Home / 12,199.20-18,277.20-10,004.64

Finding the Fourth Proportional to 12,199.20, 18,277.20 and 10,004.64

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Solution

The fourth proportional to 12,199.20, 18,277.20 and 10,004.64 is: 14,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.20 : 18,277.20 = 10,004.64 : x
  2. Step 2: Convert to fraction form
    12,199.20/18,277.20 = 10,004.64/x
  3. Step 3: Cross multiply
    12,199.20x = 18,277.20 × 10,004.64
  4. Step 4: Simplify right side
    12,199.20x = 182,856,806.21
  5. Step 5: Solve for x
    x = 182,856,806.21/12,199.20
  6. Step 6: Final answer
    x = 14,989.25

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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.