Home / 13,329.28-19,993.38-4,095.28

Finding the Fourth Proportional to 13,329.28, 19,993.38 and 4,095.28

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Solution

The fourth proportional to 13,329.28, 19,993.38 and 4,095.28 is: 6,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.28 : 19,993.38 = 4,095.28 : x
  2. Step 2: Convert to fraction form
    13,329.28/19,993.38 = 4,095.28/x
  3. Step 3: Cross multiply
    13,329.28x = 19,993.38 × 4,095.28
  4. Step 4: Simplify right side
    13,329.28x = 81,878,489.25
  5. Step 5: Solve for x
    x = 81,878,489.25/13,329.28
  6. Step 6: Final answer
    x = 6,142.75

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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.