Home / 18,443.13-27,664.70-6,131.13

Finding the Fourth Proportional to 18,443.13, 27,664.70 and 6,131.13

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Solution

The fourth proportional to 18,443.13, 27,664.70 and 6,131.13 is: 9,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.13 : 27,664.70 = 6,131.13 : x
  2. Step 2: Convert to fraction form
    18,443.13/27,664.70 = 6,131.13/x
  3. Step 3: Cross multiply
    18,443.13x = 27,664.70 × 6,131.13
  4. Step 4: Simplify right side
    18,443.13x = 169,615,872.11
  5. Step 5: Solve for x
    x = 169,615,872.11/18,443.13
  6. Step 6: Final answer
    x = 9,196.70

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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.