Home / 12,371.74-18,560.64-4,977.24

Finding the Fourth Proportional to 12,371.74, 18,560.64 and 4,977.24

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Solution

The fourth proportional to 12,371.74, 18,560.64 and 4,977.24 is: 7,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.74 : 18,560.64 = 4,977.24 : x
  2. Step 2: Convert to fraction form
    12,371.74/18,560.64 = 4,977.24/x
  3. Step 3: Cross multiply
    12,371.74x = 18,560.64 × 4,977.24
  4. Step 4: Simplify right side
    12,371.74x = 92,380,759.83
  5. Step 5: Solve for x
    x = 92,380,759.83/12,371.74
  6. Step 6: Final answer
    x = 7,467.08

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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.