Home / 13,388.09-20,083.46-4,956.84

Finding the Fourth Proportional to 13,388.09, 20,083.46 and 4,956.84

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Solution

The fourth proportional to 13,388.09, 20,083.46 and 4,956.84 is: 7,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.09 : 20,083.46 = 4,956.84 : x
  2. Step 2: Convert to fraction form
    13,388.09/20,083.46 = 4,956.84/x
  3. Step 3: Cross multiply
    13,388.09x = 20,083.46 × 4,956.84
  4. Step 4: Simplify right side
    13,388.09x = 99,550,510.26
  5. Step 5: Solve for x
    x = 99,550,510.26/13,388.09
  6. Step 6: Final answer
    x = 7,435.75

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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.