Home / 12,744.05-19,125.90-6,425.38

Finding the Fourth Proportional to 12,744.05, 19,125.90 and 6,425.38

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Solution

The fourth proportional to 12,744.05, 19,125.90 and 6,425.38 is: 9,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744.05 : 19,125.90 = 6,425.38 : x
  2. Step 2: Convert to fraction form
    12,744.05/19,125.90 = 6,425.38/x
  3. Step 3: Cross multiply
    12,744.05x = 19,125.90 × 6,425.38
  4. Step 4: Simplify right side
    12,744.05x = 122,891,143.22
  5. Step 5: Solve for x
    x = 122,891,143.22/12,744.05
  6. Step 6: Final answer
    x = 9,643.02

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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.