Home / 20,260.73-30,371.66-14,319.08

Finding the Fourth Proportional to 20,260.73, 30,371.66 and 14,319.08

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Solution

The fourth proportional to 20,260.73, 30,371.66 and 14,319.08 is: 21,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.73 : 30,371.66 = 14,319.08 : x
  2. Step 2: Convert to fraction form
    20,260.73/30,371.66 = 14,319.08/x
  3. Step 3: Cross multiply
    20,260.73x = 30,371.66 × 14,319.08
  4. Step 4: Simplify right side
    20,260.73x = 434,894,173.41
  5. Step 5: Solve for x
    x = 434,894,173.41/20,260.73
  6. Step 6: Final answer
    x = 21,464.88

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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.