Home / 13,883.06-20,824.70-3,494.81

Finding the Fourth Proportional to 13,883.06, 20,824.70 and 3,494.81

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Solution

The fourth proportional to 13,883.06, 20,824.70 and 3,494.81 is: 5,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.06 : 20,824.70 = 3,494.81 : x
  2. Step 2: Convert to fraction form
    13,883.06/20,824.70 = 3,494.81/x
  3. Step 3: Cross multiply
    13,883.06x = 20,824.70 × 3,494.81
  4. Step 4: Simplify right side
    13,883.06x = 72,778,404.39
  5. Step 5: Solve for x
    x = 72,778,404.39/13,883.06
  6. Step 6: Final answer
    x = 5,242.24

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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.