Home / 12,619.29-18,932.58-5,224.14

Finding the Fourth Proportional to 12,619.29, 18,932.58 and 5,224.14

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Solution

The fourth proportional to 12,619.29, 18,932.58 and 5,224.14 is: 7,837.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.29 : 18,932.58 = 5,224.14 : x
  2. Step 2: Convert to fraction form
    12,619.29/18,932.58 = 5,224.14/x
  3. Step 3: Cross multiply
    12,619.29x = 18,932.58 × 5,224.14
  4. Step 4: Simplify right side
    12,619.29x = 98,906,448.48
  5. Step 5: Solve for x
    x = 98,906,448.48/12,619.29
  6. Step 6: Final answer
    x = 7,837.72

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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.