Home / 13,942.29-19,230.30-8,836.05

Finding the Fourth Proportional to 13,942.29, 19,230.30 and 8,836.05

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Solution

The fourth proportional to 13,942.29, 19,230.30 and 8,836.05 is: 12,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.29 : 19,230.30 = 8,836.05 : x
  2. Step 2: Convert to fraction form
    13,942.29/19,230.30 = 8,836.05/x
  3. Step 3: Cross multiply
    13,942.29x = 19,230.30 × 8,836.05
  4. Step 4: Simplify right side
    13,942.29x = 169,919,892.32
  5. Step 5: Solve for x
    x = 169,919,892.32/13,942.29
  6. Step 6: Final answer
    x = 12,187.37

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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.