Home / 12,581.21-18,863.56-7,035.14

Finding the Fourth Proportional to 12,581.21, 18,863.56 and 7,035.14

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Solution

The fourth proportional to 12,581.21, 18,863.56 and 7,035.14 is: 10,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.21 : 18,863.56 = 7,035.14 : x
  2. Step 2: Convert to fraction form
    12,581.21/18,863.56 = 7,035.14/x
  3. Step 3: Cross multiply
    12,581.21x = 18,863.56 × 7,035.14
  4. Step 4: Simplify right side
    12,581.21x = 132,707,785.50
  5. Step 5: Solve for x
    x = 132,707,785.50/12,581.21
  6. Step 6: Final answer
    x = 10,548.09

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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.