Home / 19,391.32-29,083.81-6,909.49

Finding the Fourth Proportional to 19,391.32, 29,083.81 and 6,909.49

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Solution

The fourth proportional to 19,391.32, 29,083.81 and 6,909.49 is: 10,363.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.32 : 29,083.81 = 6,909.49 : x
  2. Step 2: Convert to fraction form
    19,391.32/29,083.81 = 6,909.49/x
  3. Step 3: Cross multiply
    19,391.32x = 29,083.81 × 6,909.49
  4. Step 4: Simplify right side
    19,391.32x = 200,954,294.36
  5. Step 5: Solve for x
    x = 200,954,294.36/19,391.32
  6. Step 6: Final answer
    x = 10,363.11

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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.