Home / 22,398.26-30,907.88-12,838.03

Finding the Fourth Proportional to 22,398.26, 30,907.88 and 12,838.03

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Solution

The fourth proportional to 22,398.26, 30,907.88 and 12,838.03 is: 17,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.26 : 30,907.88 = 12,838.03 : x
  2. Step 2: Convert to fraction form
    22,398.26/30,907.88 = 12,838.03/x
  3. Step 3: Cross multiply
    22,398.26x = 30,907.88 × 12,838.03
  4. Step 4: Simplify right side
    22,398.26x = 396,796,197.36
  5. Step 5: Solve for x
    x = 396,796,197.36/22,398.26
  6. Step 6: Final answer
    x = 17,715.50

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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.