Home / 19,395.28-29,092.94-5,355.45

Finding the Fourth Proportional to 19,395.28, 29,092.94 and 5,355.45

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Solution

The fourth proportional to 19,395.28, 29,092.94 and 5,355.45 is: 8,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.28 : 29,092.94 = 5,355.45 : x
  2. Step 2: Convert to fraction form
    19,395.28/29,092.94 = 5,355.45/x
  3. Step 3: Cross multiply
    19,395.28x = 29,092.94 × 5,355.45
  4. Step 4: Simplify right side
    19,395.28x = 155,805,778.83
  5. Step 5: Solve for x
    x = 155,805,778.83/19,395.28
  6. Step 6: Final answer
    x = 8,033.18

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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.