Home / 19,945.48-29,919.48-10,073.20

Finding the Fourth Proportional to 19,945.48, 29,919.48 and 10,073.20

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Solution

The fourth proportional to 19,945.48, 29,919.48 and 10,073.20 is: 15,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.48 : 29,919.48 = 10,073.20 : x
  2. Step 2: Convert to fraction form
    19,945.48/29,919.48 = 10,073.20/x
  3. Step 3: Cross multiply
    19,945.48x = 29,919.48 × 10,073.20
  4. Step 4: Simplify right side
    19,945.48x = 301,384,905.94
  5. Step 5: Solve for x
    x = 301,384,905.94/19,945.48
  6. Step 6: Final answer
    x = 15,110.44

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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.