Home / 15,628.83-21,568.94-10,314.42

Finding the Fourth Proportional to 15,628.83, 21,568.94 and 10,314.42

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Solution

The fourth proportional to 15,628.83, 21,568.94 and 10,314.42 is: 14,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.83 : 21,568.94 = 10,314.42 : x
  2. Step 2: Convert to fraction form
    15,628.83/21,568.94 = 10,314.42/x
  3. Step 3: Cross multiply
    15,628.83x = 21,568.94 × 10,314.42
  4. Step 4: Simplify right side
    15,628.83x = 222,471,054.54
  5. Step 5: Solve for x
    x = 222,471,054.54/15,628.83
  6. Step 6: Final answer
    x = 14,234.66

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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.