Home / 13,799.06-20,735.40-12,084.80

Finding the Fourth Proportional to 13,799.06, 20,735.40 and 12,084.80

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Solution

The fourth proportional to 13,799.06, 20,735.40 and 12,084.80 is: 18,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.06 : 20,735.40 = 12,084.80 : x
  2. Step 2: Convert to fraction form
    13,799.06/20,735.40 = 12,084.80/x
  3. Step 3: Cross multiply
    13,799.06x = 20,735.40 × 12,084.80
  4. Step 4: Simplify right side
    13,799.06x = 250,583,161.92
  5. Step 5: Solve for x
    x = 250,583,161.92/13,799.06
  6. Step 6: Final answer
    x = 18,159.44

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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.