Home / 12,724.03-19,088.82-5,324.68

Finding the Fourth Proportional to 12,724.03, 19,088.82 and 5,324.68

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Solution

The fourth proportional to 12,724.03, 19,088.82 and 5,324.68 is: 7,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.03 : 19,088.82 = 5,324.68 : x
  2. Step 2: Convert to fraction form
    12,724.03/19,088.82 = 5,324.68/x
  3. Step 3: Cross multiply
    12,724.03x = 19,088.82 × 5,324.68
  4. Step 4: Simplify right side
    12,724.03x = 101,641,858.08
  5. Step 5: Solve for x
    x = 101,641,858.08/12,724.03
  6. Step 6: Final answer
    x = 7,988.18

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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.