Home / 13,340.02-20,022.58-6,770.92

Finding the Fourth Proportional to 13,340.02, 20,022.58 and 6,770.92

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Solution

The fourth proportional to 13,340.02, 20,022.58 and 6,770.92 is: 10,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.02 : 20,022.58 = 6,770.92 : x
  2. Step 2: Convert to fraction form
    13,340.02/20,022.58 = 6,770.92/x
  3. Step 3: Cross multiply
    13,340.02x = 20,022.58 × 6,770.92
  4. Step 4: Simplify right side
    13,340.02x = 135,571,187.26
  5. Step 5: Solve for x
    x = 135,571,187.26/13,340.02
  6. Step 6: Final answer
    x = 10,162.75

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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.