Home / 22,428.36-30,951.25-12,357.38

Finding the Fourth Proportional to 22,428.36, 30,951.25 and 12,357.38

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Solution

The fourth proportional to 22,428.36, 30,951.25 and 12,357.38 is: 17,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.36 : 30,951.25 = 12,357.38 : x
  2. Step 2: Convert to fraction form
    22,428.36/30,951.25 = 12,357.38/x
  3. Step 3: Cross multiply
    22,428.36x = 30,951.25 × 12,357.38
  4. Step 4: Simplify right side
    22,428.36x = 382,476,404.21
  5. Step 5: Solve for x
    x = 382,476,404.21/22,428.36
  6. Step 6: Final answer
    x = 17,053.25

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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.