Home / 18,852.20-28,266.69-6,371.05

Finding the Fourth Proportional to 18,852.20, 28,266.69 and 6,371.05

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Solution

The fourth proportional to 18,852.20, 28,266.69 and 6,371.05 is: 9,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.20 : 28,266.69 = 6,371.05 : x
  2. Step 2: Convert to fraction form
    18,852.20/28,266.69 = 6,371.05/x
  3. Step 3: Cross multiply
    18,852.20x = 28,266.69 × 6,371.05
  4. Step 4: Simplify right side
    18,852.20x = 180,088,353.99
  5. Step 5: Solve for x
    x = 180,088,353.99/18,852.20
  6. Step 6: Final answer
    x = 9,552.64

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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.