Home / 14,314.25-21,481.40-9,643.19

Finding the Fourth Proportional to 14,314.25, 21,481.40 and 9,643.19

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Solution

The fourth proportional to 14,314.25, 21,481.40 and 9,643.19 is: 14,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.25 : 21,481.40 = 9,643.19 : x
  2. Step 2: Convert to fraction form
    14,314.25/21,481.40 = 9,643.19/x
  3. Step 3: Cross multiply
    14,314.25x = 21,481.40 × 9,643.19
  4. Step 4: Simplify right side
    14,314.25x = 207,149,138.37
  5. Step 5: Solve for x
    x = 207,149,138.37/14,314.25
  6. Step 6: Final answer
    x = 14,471.53

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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.