Home / 13,388.95-20,086.26-5,068.81

Finding the Fourth Proportional to 13,388.95, 20,086.26 and 5,068.81

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Solution

The fourth proportional to 13,388.95, 20,086.26 and 5,068.81 is: 7,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.95 : 20,086.26 = 5,068.81 : x
  2. Step 2: Convert to fraction form
    13,388.95/20,086.26 = 5,068.81/x
  3. Step 3: Cross multiply
    13,388.95x = 20,086.26 × 5,068.81
  4. Step 4: Simplify right side
    13,388.95x = 101,813,435.55
  5. Step 5: Solve for x
    x = 101,813,435.55/13,388.95
  6. Step 6: Final answer
    x = 7,604.29

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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.