Home / 13,311.36-19,951.09-5,907.47

Finding the Fourth Proportional to 13,311.36, 19,951.09 and 5,907.47

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Solution

The fourth proportional to 13,311.36, 19,951.09 and 5,907.47 is: 8,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.36 : 19,951.09 = 5,907.47 : x
  2. Step 2: Convert to fraction form
    13,311.36/19,951.09 = 5,907.47/x
  3. Step 3: Cross multiply
    13,311.36x = 19,951.09 × 5,907.47
  4. Step 4: Simplify right side
    13,311.36x = 117,860,465.64
  5. Step 5: Solve for x
    x = 117,860,465.64/13,311.36
  6. Step 6: Final answer
    x = 8,854.13

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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.