Home / 18,224.19-27,340.01-6,978.74

Finding the Fourth Proportional to 18,224.19, 27,340.01 and 6,978.74

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Solution

The fourth proportional to 18,224.19, 27,340.01 and 6,978.74 is: 10,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.19 : 27,340.01 = 6,978.74 : x
  2. Step 2: Convert to fraction form
    18,224.19/27,340.01 = 6,978.74/x
  3. Step 3: Cross multiply
    18,224.19x = 27,340.01 × 6,978.74
  4. Step 4: Simplify right side
    18,224.19x = 190,798,649.79
  5. Step 5: Solve for x
    x = 190,798,649.79/18,224.19
  6. Step 6: Final answer
    x = 10,469.53

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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.