Home / 13,018.33-19,534.38-7,099.48

Finding the Fourth Proportional to 13,018.33, 19,534.38 and 7,099.48

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Solution

The fourth proportional to 13,018.33, 19,534.38 and 7,099.48 is: 10,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.33 : 19,534.38 = 7,099.48 : x
  2. Step 2: Convert to fraction form
    13,018.33/19,534.38 = 7,099.48/x
  3. Step 3: Cross multiply
    13,018.33x = 19,534.38 × 7,099.48
  4. Step 4: Simplify right side
    13,018.33x = 138,683,940.12
  5. Step 5: Solve for x
    x = 138,683,940.12/13,018.33
  6. Step 6: Final answer
    x = 10,652.97

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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.