Home / 13,290-19,936.44-4,525.56

Finding the Fourth Proportional to 13,290, 19,936.44 and 4,525.56

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Solution

The fourth proportional to 13,290, 19,936.44 and 4,525.56 is: 6,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290 : 19,936.44 = 4,525.56 : x
  2. Step 2: Convert to fraction form
    13,290/19,936.44 = 4,525.56/x
  3. Step 3: Cross multiply
    13,290x = 19,936.44 × 4,525.56
  4. Step 4: Simplify right side
    13,290x = 90,223,555.41
  5. Step 5: Solve for x
    x = 90,223,555.41/13,290
  6. Step 6: Final answer
    x = 6,788.83

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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.