Home / 13,187.82-19,755.23-6,158.13

Finding the Fourth Proportional to 13,187.82, 19,755.23 and 6,158.13

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Solution

The fourth proportional to 13,187.82, 19,755.23 and 6,158.13 is: 9,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.82 : 19,755.23 = 6,158.13 : x
  2. Step 2: Convert to fraction form
    13,187.82/19,755.23 = 6,158.13/x
  3. Step 3: Cross multiply
    13,187.82x = 19,755.23 × 6,158.13
  4. Step 4: Simplify right side
    13,187.82x = 121,655,293.12
  5. Step 5: Solve for x
    x = 121,655,293.12/13,187.82
  6. Step 6: Final answer
    x = 9,224.83

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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.