Home / 13,366.73-18,447.17-7,400.31

Finding the Fourth Proportional to 13,366.73, 18,447.17 and 7,400.31

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Solution

The fourth proportional to 13,366.73, 18,447.17 and 7,400.31 is: 10,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.73 : 18,447.17 = 7,400.31 : x
  2. Step 2: Convert to fraction form
    13,366.73/18,447.17 = 7,400.31/x
  3. Step 3: Cross multiply
    13,366.73x = 18,447.17 × 7,400.31
  4. Step 4: Simplify right side
    13,366.73x = 136,514,647.39
  5. Step 5: Solve for x
    x = 136,514,647.39/13,366.73
  6. Step 6: Final answer
    x = 10,213.02

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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.