Home / 26,190.06-39,253.69-12,131.02

Finding the Fourth Proportional to 26,190.06, 39,253.69 and 12,131.02

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Solution

The fourth proportional to 26,190.06, 39,253.69 and 12,131.02 is: 18,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.06 : 39,253.69 = 12,131.02 : x
  2. Step 2: Convert to fraction form
    26,190.06/39,253.69 = 12,131.02/x
  3. Step 3: Cross multiply
    26,190.06x = 39,253.69 × 12,131.02
  4. Step 4: Simplify right side
    26,190.06x = 476,187,298.46
  5. Step 5: Solve for x
    x = 476,187,298.46/26,190.06
  6. Step 6: Final answer
    x = 18,181.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.