Home / 8,888.09-13,322.66-6,690.02

Finding the Fourth Proportional to 8,888.09, 13,322.66 and 6,690.02

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Solution

The fourth proportional to 8,888.09, 13,322.66 and 6,690.02 is: 10,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.09 : 13,322.66 = 6,690.02 : x
  2. Step 2: Convert to fraction form
    8,888.09/13,322.66 = 6,690.02/x
  3. Step 3: Cross multiply
    8,888.09x = 13,322.66 × 6,690.02
  4. Step 4: Simplify right side
    8,888.09x = 89,128,911.88
  5. Step 5: Solve for x
    x = 89,128,911.88/8,888.09
  6. Step 6: Final answer
    x = 10,027.90

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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.