Home / 19,412.37-29,119.20-5,371.22

Finding the Fourth Proportional to 19,412.37, 29,119.20 and 5,371.22

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Solution

The fourth proportional to 19,412.37, 29,119.20 and 5,371.22 is: 8,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.37 : 29,119.20 = 5,371.22 : x
  2. Step 2: Convert to fraction form
    19,412.37/29,119.20 = 5,371.22/x
  3. Step 3: Cross multiply
    19,412.37x = 29,119.20 × 5,371.22
  4. Step 4: Simplify right side
    19,412.37x = 156,405,652.14
  5. Step 5: Solve for x
    x = 156,405,652.14/19,412.37
  6. Step 6: Final answer
    x = 8,057.01

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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.