Home / 13,204.29-18,221.99-7,235.94

Finding the Fourth Proportional to 13,204.29, 18,221.99 and 7,235.94

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Solution

The fourth proportional to 13,204.29, 18,221.99 and 7,235.94 is: 9,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.29 : 18,221.99 = 7,235.94 : x
  2. Step 2: Convert to fraction form
    13,204.29/18,221.99 = 7,235.94/x
  3. Step 3: Cross multiply
    13,204.29x = 18,221.99 × 7,235.94
  4. Step 4: Simplify right side
    13,204.29x = 131,853,190.14
  5. Step 5: Solve for x
    x = 131,853,190.14/13,204.29
  6. Step 6: Final answer
    x = 9,985.63

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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.