Home / 19,388.92-29,083.49-6,909.42

Finding the Fourth Proportional to 19,388.92, 29,083.49 and 6,909.42

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Solution

The fourth proportional to 19,388.92, 29,083.49 and 6,909.42 is: 10,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.92 : 29,083.49 = 6,909.42 : x
  2. Step 2: Convert to fraction form
    19,388.92/29,083.49 = 6,909.42/x
  3. Step 3: Cross multiply
    19,388.92x = 29,083.49 × 6,909.42
  4. Step 4: Simplify right side
    19,388.92x = 200,949,984.31
  5. Step 5: Solve for x
    x = 200,949,984.31/19,388.92
  6. Step 6: Final answer
    x = 10,364.17

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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.