Home / 18,079.40-27,119.34-6,384.44

Finding the Fourth Proportional to 18,079.40, 27,119.34 and 6,384.44

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Solution

The fourth proportional to 18,079.40, 27,119.34 and 6,384.44 is: 9,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,079.40 : 27,119.34 = 6,384.44 : x
  2. Step 2: Convert to fraction form
    18,079.40/27,119.34 = 6,384.44/x
  3. Step 3: Cross multiply
    18,079.40x = 27,119.34 × 6,384.44
  4. Step 4: Simplify right side
    18,079.40x = 173,141,799.07
  5. Step 5: Solve for x
    x = 173,141,799.07/18,079.40
  6. Step 6: Final answer
    x = 9,576.74

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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.