Home / 8,686.20-13,027.14-4,003.32

Finding the Fourth Proportional to 8,686.20, 13,027.14 and 4,003.32

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Solution

The fourth proportional to 8,686.20, 13,027.14 and 4,003.32 is: 6,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.20 : 13,027.14 = 4,003.32 : x
  2. Step 2: Convert to fraction form
    8,686.20/13,027.14 = 4,003.32/x
  3. Step 3: Cross multiply
    8,686.20x = 13,027.14 × 4,003.32
  4. Step 4: Simplify right side
    8,686.20x = 52,151,810.10
  5. Step 5: Solve for x
    x = 52,151,810.10/8,686.20
  6. Step 6: Final answer
    x = 6,003.98

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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.