Home / 12,371.09-18,557.49-4,975.58

Finding the Fourth Proportional to 12,371.09, 18,557.49 and 4,975.58

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Solution

The fourth proportional to 12,371.09, 18,557.49 and 4,975.58 is: 7,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.09 : 18,557.49 = 4,975.58 : x
  2. Step 2: Convert to fraction form
    12,371.09/18,557.49 = 4,975.58/x
  3. Step 3: Cross multiply
    12,371.09x = 18,557.49 × 4,975.58
  4. Step 4: Simplify right side
    12,371.09x = 92,334,183.31
  5. Step 5: Solve for x
    x = 92,334,183.31/12,371.09
  6. Step 6: Final answer
    x = 7,463.71

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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.