Home / 13,014.36-19,521.18-3,654.45

Finding the Fourth Proportional to 13,014.36, 19,521.18 and 3,654.45

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Solution

The fourth proportional to 13,014.36, 19,521.18 and 3,654.45 is: 5,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.36 : 19,521.18 = 3,654.45 : x
  2. Step 2: Convert to fraction form
    13,014.36/19,521.18 = 3,654.45/x
  3. Step 3: Cross multiply
    13,014.36x = 19,521.18 × 3,654.45
  4. Step 4: Simplify right side
    13,014.36x = 71,339,176.25
  5. Step 5: Solve for x
    x = 71,339,176.25/13,014.36
  6. Step 6: Final answer
    x = 5,481.57

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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.