Home / 12,575.36-17,353.28-6,986

Finding the Fourth Proportional to 12,575.36, 17,353.28 and 6,986

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Solution

The fourth proportional to 12,575.36, 17,353.28 and 6,986 is: 9,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.36 : 17,353.28 = 6,986 : x
  2. Step 2: Convert to fraction form
    12,575.36/17,353.28 = 6,986/x
  3. Step 3: Cross multiply
    12,575.36x = 17,353.28 × 6,986
  4. Step 4: Simplify right side
    12,575.36x = 121,230,014.08
  5. Step 5: Solve for x
    x = 121,230,014.08/12,575.36
  6. Step 6: Final answer
    x = 9,640.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.