Home / 12,234.29-18,353.79-5,214.17

Finding the Fourth Proportional to 12,234.29, 18,353.79 and 5,214.17

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Solution

The fourth proportional to 12,234.29, 18,353.79 and 5,214.17 is: 7,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.29 : 18,353.79 = 5,214.17 : x
  2. Step 2: Convert to fraction form
    12,234.29/18,353.79 = 5,214.17/x
  3. Step 3: Cross multiply
    12,234.29x = 18,353.79 × 5,214.17
  4. Step 4: Simplify right side
    12,234.29x = 95,699,827.09
  5. Step 5: Solve for x
    x = 95,699,827.09/12,234.29
  6. Step 6: Final answer
    x = 7,822.26

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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.