Home / 12,045.26-18,066.60-3,161.48

Finding the Fourth Proportional to 12,045.26, 18,066.60 and 3,161.48

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Solution

The fourth proportional to 12,045.26, 18,066.60 and 3,161.48 is: 4,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.26 : 18,066.60 = 3,161.48 : x
  2. Step 2: Convert to fraction form
    12,045.26/18,066.60 = 3,161.48/x
  3. Step 3: Cross multiply
    12,045.26x = 18,066.60 × 3,161.48
  4. Step 4: Simplify right side
    12,045.26x = 57,117,223.93
  5. Step 5: Solve for x
    x = 57,117,223.93/12,045.26
  6. Step 6: Final answer
    x = 4,741.88

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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.