Home / 13,518.44-20,275.20-5,727.84

Finding the Fourth Proportional to 13,518.44, 20,275.20 and 5,727.84

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Solution

The fourth proportional to 13,518.44, 20,275.20 and 5,727.84 is: 8,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.44 : 20,275.20 = 5,727.84 : x
  2. Step 2: Convert to fraction form
    13,518.44/20,275.20 = 5,727.84/x
  3. Step 3: Cross multiply
    13,518.44x = 20,275.20 × 5,727.84
  4. Step 4: Simplify right side
    13,518.44x = 116,133,101.57
  5. Step 5: Solve for x
    x = 116,133,101.57/13,518.44
  6. Step 6: Final answer
    x = 8,590.72

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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.