Home / 12,371.34-18,557.85-4,975.80

Finding the Fourth Proportional to 12,371.34, 18,557.85 and 4,975.80

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Solution

The fourth proportional to 12,371.34, 18,557.85 and 4,975.80 is: 7,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.34 : 18,557.85 = 4,975.80 : x
  2. Step 2: Convert to fraction form
    12,371.34/18,557.85 = 4,975.80/x
  3. Step 3: Cross multiply
    12,371.34x = 18,557.85 × 4,975.80
  4. Step 4: Simplify right side
    12,371.34x = 92,340,150.03
  5. Step 5: Solve for x
    x = 92,340,150.03/12,371.34
  6. Step 6: Final answer
    x = 7,464.04

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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.