Home / 19,069.87-28,599.03-7,219.66

Finding the Fourth Proportional to 19,069.87, 28,599.03 and 7,219.66

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Solution

The fourth proportional to 19,069.87, 28,599.03 and 7,219.66 is: 10,827.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.87 : 28,599.03 = 7,219.66 : x
  2. Step 2: Convert to fraction form
    19,069.87/28,599.03 = 7,219.66/x
  3. Step 3: Cross multiply
    19,069.87x = 28,599.03 × 7,219.66
  4. Step 4: Simplify right side
    19,069.87x = 206,475,272.93
  5. Step 5: Solve for x
    x = 206,475,272.93/19,069.87
  6. Step 6: Final answer
    x = 10,827.30

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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.