Home / 13,211.73-19,817.60-4,445.91

Finding the Fourth Proportional to 13,211.73, 19,817.60 and 4,445.91

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Solution

The fourth proportional to 13,211.73, 19,817.60 and 4,445.91 is: 6,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.73 : 19,817.60 = 4,445.91 : x
  2. Step 2: Convert to fraction form
    13,211.73/19,817.60 = 4,445.91/x
  3. Step 3: Cross multiply
    13,211.73x = 19,817.60 × 4,445.91
  4. Step 4: Simplify right side
    13,211.73x = 88,107,243.79
  5. Step 5: Solve for x
    x = 88,107,243.79/13,211.73
  6. Step 6: Final answer
    x = 6,668.87

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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.