Home / 13,326.58-19,990.38-3,465.60

Finding the Fourth Proportional to 13,326.58, 19,990.38 and 3,465.60

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Solution

The fourth proportional to 13,326.58, 19,990.38 and 3,465.60 is: 5,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.58 : 19,990.38 = 3,465.60 : x
  2. Step 2: Convert to fraction form
    13,326.58/19,990.38 = 3,465.60/x
  3. Step 3: Cross multiply
    13,326.58x = 19,990.38 × 3,465.60
  4. Step 4: Simplify right side
    13,326.58x = 69,278,643.60
  5. Step 5: Solve for x
    x = 69,278,643.60/13,326.58
  6. Step 6: Final answer
    x = 5,198.53

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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.