Home / 13,795.90-20,702.40-7,226.80

Finding the Fourth Proportional to 13,795.90, 20,702.40 and 7,226.80

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Solution

The fourth proportional to 13,795.90, 20,702.40 and 7,226.80 is: 10,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.90 : 20,702.40 = 7,226.80 : x
  2. Step 2: Convert to fraction form
    13,795.90/20,702.40 = 7,226.80/x
  3. Step 3: Cross multiply
    13,795.90x = 20,702.40 × 7,226.80
  4. Step 4: Simplify right side
    13,795.90x = 149,612,104.32
  5. Step 5: Solve for x
    x = 149,612,104.32/13,795.90
  6. Step 6: Final answer
    x = 10,844.68

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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.