Home / 12,942.44-17,864.12-7,569.52

Finding the Fourth Proportional to 12,942.44, 17,864.12 and 7,569.52

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Solution

The fourth proportional to 12,942.44, 17,864.12 and 7,569.52 is: 10,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.44 : 17,864.12 = 7,569.52 : x
  2. Step 2: Convert to fraction form
    12,942.44/17,864.12 = 7,569.52/x
  3. Step 3: Cross multiply
    12,942.44x = 17,864.12 × 7,569.52
  4. Step 4: Simplify right side
    12,942.44x = 135,222,813.62
  5. Step 5: Solve for x
    x = 135,222,813.62/12,942.44
  6. Step 6: Final answer
    x = 10,448.02

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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.