Home / 18,936.01-26,131.79-10,982.93

Finding the Fourth Proportional to 18,936.01, 26,131.79 and 10,982.93

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Solution

The fourth proportional to 18,936.01, 26,131.79 and 10,982.93 is: 15,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.01 : 26,131.79 = 10,982.93 : x
  2. Step 2: Convert to fraction form
    18,936.01/26,131.79 = 10,982.93/x
  3. Step 3: Cross multiply
    18,936.01x = 26,131.79 × 10,982.93
  4. Step 4: Simplify right side
    18,936.01x = 287,003,565.43
  5. Step 5: Solve for x
    x = 287,003,565.43/18,936.01
  6. Step 6: Final answer
    x = 15,156.50

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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.