Home / 11,291.60-15,582.36-6,256.64

Finding the Fourth Proportional to 11,291.60, 15,582.36 and 6,256.64

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Solution

The fourth proportional to 11,291.60, 15,582.36 and 6,256.64 is: 8,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.60 : 15,582.36 = 6,256.64 : x
  2. Step 2: Convert to fraction form
    11,291.60/15,582.36 = 6,256.64/x
  3. Step 3: Cross multiply
    11,291.60x = 15,582.36 × 6,256.64
  4. Step 4: Simplify right side
    11,291.60x = 97,493,216.87
  5. Step 5: Solve for x
    x = 97,493,216.87/11,291.60
  6. Step 6: Final answer
    x = 8,634.14

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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.