Home / 13,224.19-18,246.27-11,998.93

Finding the Fourth Proportional to 13,224.19, 18,246.27 and 11,998.93

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Solution

The fourth proportional to 13,224.19, 18,246.27 and 11,998.93 is: 16,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.19 : 18,246.27 = 11,998.93 : x
  2. Step 2: Convert to fraction form
    13,224.19/18,246.27 = 11,998.93/x
  3. Step 3: Cross multiply
    13,224.19x = 18,246.27 × 11,998.93
  4. Step 4: Simplify right side
    13,224.19x = 218,935,716.49
  5. Step 5: Solve for x
    x = 218,935,716.49/13,224.19
  6. Step 6: Final answer
    x = 16,555.70

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Double scale
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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.