Home / 13,083.06-19,621.82-4,315.92

Finding the Fourth Proportional to 13,083.06, 19,621.82 and 4,315.92

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Solution

The fourth proportional to 13,083.06, 19,621.82 and 4,315.92 is: 6,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.06 : 19,621.82 = 4,315.92 : x
  2. Step 2: Convert to fraction form
    13,083.06/19,621.82 = 4,315.92/x
  3. Step 3: Cross multiply
    13,083.06x = 19,621.82 × 4,315.92
  4. Step 4: Simplify right side
    13,083.06x = 84,686,205.37
  5. Step 5: Solve for x
    x = 84,686,205.37/13,083.06
  6. Step 6: Final answer
    x = 6,472.97

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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.