Home / 18,914.23-28,371.35-5,766.49

Finding the Fourth Proportional to 18,914.23, 28,371.35 and 5,766.49

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Solution

The fourth proportional to 18,914.23, 28,371.35 and 5,766.49 is: 8,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.23 : 28,371.35 = 5,766.49 : x
  2. Step 2: Convert to fraction form
    18,914.23/28,371.35 = 5,766.49/x
  3. Step 3: Cross multiply
    18,914.23x = 28,371.35 × 5,766.49
  4. Step 4: Simplify right side
    18,914.23x = 163,603,077.23
  5. Step 5: Solve for x
    x = 163,603,077.23/18,914.23
  6. Step 6: Final answer
    x = 8,649.74

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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.