Home / 21,160.98-31,745.66-6,369.17

Finding the Fourth Proportional to 21,160.98, 31,745.66 and 6,369.17

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Solution

The fourth proportional to 21,160.98, 31,745.66 and 6,369.17 is: 9,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.98 : 31,745.66 = 6,369.17 : x
  2. Step 2: Convert to fraction form
    21,160.98/31,745.66 = 6,369.17/x
  3. Step 3: Cross multiply
    21,160.98x = 31,745.66 × 6,369.17
  4. Step 4: Simplify right side
    21,160.98x = 202,193,314.73
  5. Step 5: Solve for x
    x = 202,193,314.73/21,160.98
  6. Step 6: Final answer
    x = 9,555.01

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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.