Home / 13,883-20,824.96-3,494.76

Finding the Fourth Proportional to 13,883, 20,824.96 and 3,494.76

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Solution

The fourth proportional to 13,883, 20,824.96 and 3,494.76 is: 5,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883 : 20,824.96 = 3,494.76 : x
  2. Step 2: Convert to fraction form
    13,883/20,824.96 = 3,494.76/x
  3. Step 3: Cross multiply
    13,883x = 20,824.96 × 3,494.76
  4. Step 4: Simplify right side
    13,883x = 72,778,237.21
  5. Step 5: Solve for x
    x = 72,778,237.21/13,883
  6. Step 6: Final answer
    x = 5,242.26

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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.