Home / 13,593.86-20,373.60-7,753.76

Finding the Fourth Proportional to 13,593.86, 20,373.60 and 7,753.76

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Solution

The fourth proportional to 13,593.86, 20,373.60 and 7,753.76 is: 11,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.86 : 20,373.60 = 7,753.76 : x
  2. Step 2: Convert to fraction form
    13,593.86/20,373.60 = 7,753.76/x
  3. Step 3: Cross multiply
    13,593.86x = 20,373.60 × 7,753.76
  4. Step 4: Simplify right side
    13,593.86x = 157,972,004.74
  5. Step 5: Solve for x
    x = 157,972,004.74/13,593.86
  6. Step 6: Final answer
    x = 11,620.84

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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.