Home / 18,374.48-27,584.13-12,139.82

Finding the Fourth Proportional to 18,374.48, 27,584.13 and 12,139.82

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Solution

The fourth proportional to 18,374.48, 27,584.13 and 12,139.82 is: 18,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.48 : 27,584.13 = 12,139.82 : x
  2. Step 2: Convert to fraction form
    18,374.48/27,584.13 = 12,139.82/x
  3. Step 3: Cross multiply
    18,374.48x = 27,584.13 × 12,139.82
  4. Step 4: Simplify right side
    18,374.48x = 334,866,373.06
  5. Step 5: Solve for x
    x = 334,866,373.06/18,374.48
  6. Step 6: Final answer
    x = 18,224.54

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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.