Home / 13,836.80-20,750.08-5,069.44

Finding the Fourth Proportional to 13,836.80, 20,750.08 and 5,069.44

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Solution

The fourth proportional to 13,836.80, 20,750.08 and 5,069.44 is: 7,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.80 : 20,750.08 = 5,069.44 : x
  2. Step 2: Convert to fraction form
    13,836.80/20,750.08 = 5,069.44/x
  3. Step 3: Cross multiply
    13,836.80x = 20,750.08 × 5,069.44
  4. Step 4: Simplify right side
    13,836.80x = 105,191,285.56
  5. Step 5: Solve for x
    x = 105,191,285.56/13,836.80
  6. Step 6: Final answer
    x = 7,602.28

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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.