Home / 12,071.42-18,101.66-3,748.97

Finding the Fourth Proportional to 12,071.42, 18,101.66 and 3,748.97

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Solution

The fourth proportional to 12,071.42, 18,101.66 and 3,748.97 is: 5,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.42 : 18,101.66 = 3,748.97 : x
  2. Step 2: Convert to fraction form
    12,071.42/18,101.66 = 3,748.97/x
  3. Step 3: Cross multiply
    12,071.42x = 18,101.66 × 3,748.97
  4. Step 4: Simplify right side
    12,071.42x = 67,862,580.29
  5. Step 5: Solve for x
    x = 67,862,580.29/12,071.42
  6. Step 6: Final answer
    x = 5,621.76

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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.