Home / 12,265.66-18,400.29-3,942.93

Finding the Fourth Proportional to 12,265.66, 18,400.29 and 3,942.93

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Solution

The fourth proportional to 12,265.66, 18,400.29 and 3,942.93 is: 5,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.66 : 18,400.29 = 3,942.93 : x
  2. Step 2: Convert to fraction form
    12,265.66/18,400.29 = 3,942.93/x
  3. Step 3: Cross multiply
    12,265.66x = 18,400.29 × 3,942.93
  4. Step 4: Simplify right side
    12,265.66x = 72,551,055.45
  5. Step 5: Solve for x
    x = 72,551,055.45/12,265.66
  6. Step 6: Final answer
    x = 5,914.97

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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.