Home / 13,283.09-19,912.11-6,613.29

Finding the Fourth Proportional to 13,283.09, 19,912.11 and 6,613.29

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Solution

The fourth proportional to 13,283.09, 19,912.11 and 6,613.29 is: 9,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.09 : 19,912.11 = 6,613.29 : x
  2. Step 2: Convert to fraction form
    13,283.09/19,912.11 = 6,613.29/x
  3. Step 3: Cross multiply
    13,283.09x = 19,912.11 × 6,613.29
  4. Step 4: Simplify right side
    13,283.09x = 131,684,557.94
  5. Step 5: Solve for x
    x = 131,684,557.94/13,283.09
  6. Step 6: Final answer
    x = 9,913.70

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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.