Home / 14,426.26-19,908.24-8,138.62

Finding the Fourth Proportional to 14,426.26, 19,908.24 and 8,138.62

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Solution

The fourth proportional to 14,426.26, 19,908.24 and 8,138.62 is: 11,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.26 : 19,908.24 = 8,138.62 : x
  2. Step 2: Convert to fraction form
    14,426.26/19,908.24 = 8,138.62/x
  3. Step 3: Cross multiply
    14,426.26x = 19,908.24 × 8,138.62
  4. Step 4: Simplify right side
    14,426.26x = 162,025,600.23
  5. Step 5: Solve for x
    x = 162,025,600.23/14,426.26
  6. Step 6: Final answer
    x = 11,231.30

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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.