Home / 12,371.74-18,553.01-5,352.77

Finding the Fourth Proportional to 12,371.74, 18,553.01 and 5,352.77

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Solution

The fourth proportional to 12,371.74, 18,553.01 and 5,352.77 is: 8,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.74 : 18,553.01 = 5,352.77 : x
  2. Step 2: Convert to fraction form
    12,371.74/18,553.01 = 5,352.77/x
  3. Step 3: Cross multiply
    12,371.74x = 18,553.01 × 5,352.77
  4. Step 4: Simplify right side
    12,371.74x = 99,309,995.34
  5. Step 5: Solve for x
    x = 99,309,995.34/12,371.74
  6. Step 6: Final answer
    x = 8,027.16

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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.