Home / 12,581.32-18,843.24-6,012.12

Finding the Fourth Proportional to 12,581.32, 18,843.24 and 6,012.12

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Solution

The fourth proportional to 12,581.32, 18,843.24 and 6,012.12 is: 9,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.32 : 18,843.24 = 6,012.12 : x
  2. Step 2: Convert to fraction form
    12,581.32/18,843.24 = 6,012.12/x
  3. Step 3: Cross multiply
    12,581.32x = 18,843.24 × 6,012.12
  4. Step 4: Simplify right side
    12,581.32x = 113,287,820.07
  5. Step 5: Solve for x
    x = 113,287,820.07/12,581.32
  6. Step 6: Final answer
    x = 9,004.45

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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.