Home / 13,731.83-18,949.95-7,444.22

Finding the Fourth Proportional to 13,731.83, 18,949.95 and 7,444.22

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Solution

The fourth proportional to 13,731.83, 18,949.95 and 7,444.22 is: 10,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.83 : 18,949.95 = 7,444.22 : x
  2. Step 2: Convert to fraction form
    13,731.83/18,949.95 = 7,444.22/x
  3. Step 3: Cross multiply
    13,731.83x = 18,949.95 × 7,444.22
  4. Step 4: Simplify right side
    13,731.83x = 141,067,596.79
  5. Step 5: Solve for x
    x = 141,067,596.79/13,731.83
  6. Step 6: Final answer
    x = 10,273.04

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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.