Home / 13,029.72-19,544.40-3,168.96

Finding the Fourth Proportional to 13,029.72, 19,544.40 and 3,168.96

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Solution

The fourth proportional to 13,029.72, 19,544.40 and 3,168.96 is: 4,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.72 : 19,544.40 = 3,168.96 : x
  2. Step 2: Convert to fraction form
    13,029.72/19,544.40 = 3,168.96/x
  3. Step 3: Cross multiply
    13,029.72x = 19,544.40 × 3,168.96
  4. Step 4: Simplify right side
    13,029.72x = 61,935,421.82
  5. Step 5: Solve for x
    x = 61,935,421.82/13,029.72
  6. Step 6: Final answer
    x = 4,753.40

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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.