Home / 19,074.30-28,611.45-13,169.40

Finding the Fourth Proportional to 19,074.30, 28,611.45 and 13,169.40

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Solution

The fourth proportional to 19,074.30, 28,611.45 and 13,169.40 is: 19,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.30 : 28,611.45 = 13,169.40 : x
  2. Step 2: Convert to fraction form
    19,074.30/28,611.45 = 13,169.40/x
  3. Step 3: Cross multiply
    19,074.30x = 28,611.45 × 13,169.40
  4. Step 4: Simplify right side
    19,074.30x = 376,795,629.63
  5. Step 5: Solve for x
    x = 376,795,629.63/19,074.30
  6. Step 6: Final answer
    x = 19,754.10

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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.