Home / 18,983.97-26,197.74-10,486.65

Finding the Fourth Proportional to 18,983.97, 26,197.74 and 10,486.65

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Solution

The fourth proportional to 18,983.97, 26,197.74 and 10,486.65 is: 14,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.97 : 26,197.74 = 10,486.65 : x
  2. Step 2: Convert to fraction form
    18,983.97/26,197.74 = 10,486.65/x
  3. Step 3: Cross multiply
    18,983.97x = 26,197.74 × 10,486.65
  4. Step 4: Simplify right side
    18,983.97x = 274,726,530.17
  5. Step 5: Solve for x
    x = 274,726,530.17/18,983.97
  6. Step 6: Final answer
    x = 14,471.50

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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.