Home / 22,352.76-30,843.38-12,919.50

Finding the Fourth Proportional to 22,352.76, 30,843.38 and 12,919.50

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Solution

The fourth proportional to 22,352.76, 30,843.38 and 12,919.50 is: 17,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.76 : 30,843.38 = 12,919.50 : x
  2. Step 2: Convert to fraction form
    22,352.76/30,843.38 = 12,919.50/x
  3. Step 3: Cross multiply
    22,352.76x = 30,843.38 × 12,919.50
  4. Step 4: Simplify right side
    22,352.76x = 398,481,080.21
  5. Step 5: Solve for x
    x = 398,481,080.21/22,352.76
  6. Step 6: Final answer
    x = 17,826.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.