Home / 13,228.47-19,840.80-3,367.14

Finding the Fourth Proportional to 13,228.47, 19,840.80 and 3,367.14

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Solution

The fourth proportional to 13,228.47, 19,840.80 and 3,367.14 is: 5,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.47 : 19,840.80 = 3,367.14 : x
  2. Step 2: Convert to fraction form
    13,228.47/19,840.80 = 3,367.14/x
  3. Step 3: Cross multiply
    13,228.47x = 19,840.80 × 3,367.14
  4. Step 4: Simplify right side
    13,228.47x = 66,806,751.31
  5. Step 5: Solve for x
    x = 66,806,751.31/13,228.47
  6. Step 6: Final answer
    x = 5,050.23

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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.