Home / 13,211.36-19,817.06-4,452.42

Finding the Fourth Proportional to 13,211.36, 19,817.06 and 4,452.42

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Solution

The fourth proportional to 13,211.36, 19,817.06 and 4,452.42 is: 6,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.36 : 19,817.06 = 4,452.42 : x
  2. Step 2: Convert to fraction form
    13,211.36/19,817.06 = 4,452.42/x
  3. Step 3: Cross multiply
    13,211.36x = 19,817.06 × 4,452.42
  4. Step 4: Simplify right side
    13,211.36x = 88,233,874.29
  5. Step 5: Solve for x
    x = 88,233,874.29/13,211.36
  6. Step 6: Final answer
    x = 6,678.64

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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.