Home / 13,567.74-20,354.72-5,247.82

Finding the Fourth Proportional to 13,567.74, 20,354.72 and 5,247.82

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Solution

The fourth proportional to 13,567.74, 20,354.72 and 5,247.82 is: 7,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.74 : 20,354.72 = 5,247.82 : x
  2. Step 2: Convert to fraction form
    13,567.74/20,354.72 = 5,247.82/x
  3. Step 3: Cross multiply
    13,567.74x = 20,354.72 × 5,247.82
  4. Step 4: Simplify right side
    13,567.74x = 106,817,906.71
  5. Step 5: Solve for x
    x = 106,817,906.71/13,567.74
  6. Step 6: Final answer
    x = 7,872.93

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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.