Home / 12,017.23-16,583.49-6,640.11

Finding the Fourth Proportional to 12,017.23, 16,583.49 and 6,640.11

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Solution

The fourth proportional to 12,017.23, 16,583.49 and 6,640.11 is: 9,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.23 : 16,583.49 = 6,640.11 : x
  2. Step 2: Convert to fraction form
    12,017.23/16,583.49 = 6,640.11/x
  3. Step 3: Cross multiply
    12,017.23x = 16,583.49 × 6,640.11
  4. Step 4: Simplify right side
    12,017.23x = 110,116,197.78
  5. Step 5: Solve for x
    x = 110,116,197.78/12,017.23
  6. Step 6: Final answer
    x = 9,163.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.