Home / 13,259.88-19,890.60-5,466

Finding the Fourth Proportional to 13,259.88, 19,890.60 and 5,466

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Solution

The fourth proportional to 13,259.88, 19,890.60 and 5,466 is: 8,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.88 : 19,890.60 = 5,466 : x
  2. Step 2: Convert to fraction form
    13,259.88/19,890.60 = 5,466/x
  3. Step 3: Cross multiply
    13,259.88x = 19,890.60 × 5,466
  4. Step 4: Simplify right side
    13,259.88x = 108,722,019.60
  5. Step 5: Solve for x
    x = 108,722,019.60/13,259.88
  6. Step 6: Final answer
    x = 8,199.32

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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.