Home / 14,293.87-21,436.75-9,020.97

Finding the Fourth Proportional to 14,293.87, 21,436.75 and 9,020.97

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Solution

The fourth proportional to 14,293.87, 21,436.75 and 9,020.97 is: 13,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.87 : 21,436.75 = 9,020.97 : x
  2. Step 2: Convert to fraction form
    14,293.87/21,436.75 = 9,020.97/x
  3. Step 3: Cross multiply
    14,293.87x = 21,436.75 × 9,020.97
  4. Step 4: Simplify right side
    14,293.87x = 193,380,289.92
  5. Step 5: Solve for x
    x = 193,380,289.92/14,293.87
  6. Step 6: Final answer
    x = 13,528.90

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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.