Home / 11,165.60-16,743.54-5,615.48

Finding the Fourth Proportional to 11,165.60, 16,743.54 and 5,615.48

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Solution

The fourth proportional to 11,165.60, 16,743.54 and 5,615.48 is: 8,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.60 : 16,743.54 = 5,615.48 : x
  2. Step 2: Convert to fraction form
    11,165.60/16,743.54 = 5,615.48/x
  3. Step 3: Cross multiply
    11,165.60x = 16,743.54 × 5,615.48
  4. Step 4: Simplify right side
    11,165.60x = 94,023,014.00
  5. Step 5: Solve for x
    x = 94,023,014.00/11,165.60
  6. Step 6: Final answer
    x = 8,420.78

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1.5x scale

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.