Home / 8,686.08-13,023.60-6,619.44

Finding the Fourth Proportional to 8,686.08, 13,023.60 and 6,619.44

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Solution

The fourth proportional to 8,686.08, 13,023.60 and 6,619.44 is: 9,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.08 : 13,023.60 = 6,619.44 : x
  2. Step 2: Convert to fraction form
    8,686.08/13,023.60 = 6,619.44/x
  3. Step 3: Cross multiply
    8,686.08x = 13,023.60 × 6,619.44
  4. Step 4: Simplify right side
    8,686.08x = 86,208,938.78
  5. Step 5: Solve for x
    x = 86,208,938.78/8,686.08
  6. Step 6: Final answer
    x = 9,924.95

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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.