Home / 18,119.62-27,184.29-14,435.74

Finding the Fourth Proportional to 18,119.62, 27,184.29 and 14,435.74

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Solution

The fourth proportional to 18,119.62, 27,184.29 and 14,435.74 is: 21,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.62 : 27,184.29 = 14,435.74 : x
  2. Step 2: Convert to fraction form
    18,119.62/27,184.29 = 14,435.74/x
  3. Step 3: Cross multiply
    18,119.62x = 27,184.29 × 14,435.74
  4. Step 4: Simplify right side
    18,119.62x = 392,425,342.52
  5. Step 5: Solve for x
    x = 392,425,342.52/18,119.62
  6. Step 6: Final answer
    x = 21,657.48

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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.