Home / 19,399.31-29,098.39-5,360.21

Finding the Fourth Proportional to 19,399.31, 29,098.39 and 5,360.21

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Solution

The fourth proportional to 19,399.31, 29,098.39 and 5,360.21 is: 8,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.31 : 29,098.39 = 5,360.21 : x
  2. Step 2: Convert to fraction form
    19,399.31/29,098.39 = 5,360.21/x
  3. Step 3: Cross multiply
    19,399.31x = 29,098.39 × 5,360.21
  4. Step 4: Simplify right side
    19,399.31x = 155,973,481.06
  5. Step 5: Solve for x
    x = 155,973,481.06/19,399.31
  6. Step 6: Final answer
    x = 8,040.16

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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.