Home / 13,750.24-20,626.80-6,822.88

Finding the Fourth Proportional to 13,750.24, 20,626.80 and 6,822.88

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Solution

The fourth proportional to 13,750.24, 20,626.80 and 6,822.88 is: 10,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.24 : 20,626.80 = 6,822.88 : x
  2. Step 2: Convert to fraction form
    13,750.24/20,626.80 = 6,822.88/x
  3. Step 3: Cross multiply
    13,750.24x = 20,626.80 × 6,822.88
  4. Step 4: Simplify right side
    13,750.24x = 140,734,181.18
  5. Step 5: Solve for x
    x = 140,734,181.18/13,750.24
  6. Step 6: Final answer
    x = 10,235.03

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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.