Home / 19,399.57-29,098.78-5,360.44

Finding the Fourth Proportional to 19,399.57, 29,098.78 and 5,360.44

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Solution

The fourth proportional to 19,399.57, 29,098.78 and 5,360.44 is: 8,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.57 : 29,098.78 = 5,360.44 : x
  2. Step 2: Convert to fraction form
    19,399.57/29,098.78 = 5,360.44/x
  3. Step 3: Cross multiply
    19,399.57x = 29,098.78 × 5,360.44
  4. Step 4: Simplify right side
    19,399.57x = 155,982,264.26
  5. Step 5: Solve for x
    x = 155,982,264.26/19,399.57
  6. Step 6: Final answer
    x = 8,040.50

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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.