Home / 13,293.15-19,939.74-3,933.33

Finding the Fourth Proportional to 13,293.15, 19,939.74 and 3,933.33

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Solution

The fourth proportional to 13,293.15, 19,939.74 and 3,933.33 is: 5,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.15 : 19,939.74 = 3,933.33 : x
  2. Step 2: Convert to fraction form
    13,293.15/19,939.74 = 3,933.33/x
  3. Step 3: Cross multiply
    13,293.15x = 19,939.74 × 3,933.33
  4. Step 4: Simplify right side
    13,293.15x = 78,429,577.53
  5. Step 5: Solve for x
    x = 78,429,577.53/13,293.15
  6. Step 6: Final answer
    x = 5,900.00

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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.