Home / 13,756.75-20,632.39-6,733.74

Finding the Fourth Proportional to 13,756.75, 20,632.39 and 6,733.74

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Solution

The fourth proportional to 13,756.75, 20,632.39 and 6,733.74 is: 10,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.75 : 20,632.39 = 6,733.74 : x
  2. Step 2: Convert to fraction form
    13,756.75/20,632.39 = 6,733.74/x
  3. Step 3: Cross multiply
    13,756.75x = 20,632.39 × 6,733.74
  4. Step 4: Simplify right side
    13,756.75x = 138,933,210.38
  5. Step 5: Solve for x
    x = 138,933,210.38/13,756.75
  6. Step 6: Final answer
    x = 10,099.28

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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.