Home / 12,399.17-18,623.93-10,951.20

Finding the Fourth Proportional to 12,399.17, 18,623.93 and 10,951.20

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Solution

The fourth proportional to 12,399.17, 18,623.93 and 10,951.20 is: 16,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.17 : 18,623.93 = 10,951.20 : x
  2. Step 2: Convert to fraction form
    12,399.17/18,623.93 = 10,951.20/x
  3. Step 3: Cross multiply
    12,399.17x = 18,623.93 × 10,951.20
  4. Step 4: Simplify right side
    12,399.17x = 203,954,327.46
  5. Step 5: Solve for x
    x = 203,954,327.46/12,399.17
  6. Step 6: Final answer
    x = 16,449.03

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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.