Home / 14,242.73-19,641.96-10,879.29

Finding the Fourth Proportional to 14,242.73, 19,641.96 and 10,879.29

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Solution

The fourth proportional to 14,242.73, 19,641.96 and 10,879.29 is: 15,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.73 : 19,641.96 = 10,879.29 : x
  2. Step 2: Convert to fraction form
    14,242.73/19,641.96 = 10,879.29/x
  3. Step 3: Cross multiply
    14,242.73x = 19,641.96 × 10,879.29
  4. Step 4: Simplify right side
    14,242.73x = 213,690,579.01
  5. Step 5: Solve for x
    x = 213,690,579.01/14,242.73
  6. Step 6: Final answer
    x = 15,003.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.