Home / 13,724.99-20,582.93-5,402.85

Finding the Fourth Proportional to 13,724.99, 20,582.93 and 5,402.85

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Solution

The fourth proportional to 13,724.99, 20,582.93 and 5,402.85 is: 8,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.99 : 20,582.93 = 5,402.85 : x
  2. Step 2: Convert to fraction form
    13,724.99/20,582.93 = 5,402.85/x
  3. Step 3: Cross multiply
    13,724.99x = 20,582.93 × 5,402.85
  4. Step 4: Simplify right side
    13,724.99x = 111,206,496.86
  5. Step 5: Solve for x
    x = 111,206,496.86/13,724.99
  6. Step 6: Final answer
    x = 8,102.48

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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.