Home / 12,164.10-18,233.55-6,605.70

Finding the Fourth Proportional to 12,164.10, 18,233.55 and 6,605.70

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Solution

The fourth proportional to 12,164.10, 18,233.55 and 6,605.70 is: 9,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.10 : 18,233.55 = 6,605.70 : x
  2. Step 2: Convert to fraction form
    12,164.10/18,233.55 = 6,605.70/x
  3. Step 3: Cross multiply
    12,164.10x = 18,233.55 × 6,605.70
  4. Step 4: Simplify right side
    12,164.10x = 120,445,361.24
  5. Step 5: Solve for x
    x = 120,445,361.24/12,164.10
  6. Step 6: Final answer
    x = 9,901.71

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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.