Home / 19,329.48-28,990.80-8,797.05

Finding the Fourth Proportional to 19,329.48, 28,990.80 and 8,797.05

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Solution

The fourth proportional to 19,329.48, 28,990.80 and 8,797.05 is: 13,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.48 : 28,990.80 = 8,797.05 : x
  2. Step 2: Convert to fraction form
    19,329.48/28,990.80 = 8,797.05/x
  3. Step 3: Cross multiply
    19,329.48x = 28,990.80 × 8,797.05
  4. Step 4: Simplify right side
    19,329.48x = 255,033,517.14
  5. Step 5: Solve for x
    x = 255,033,517.14/19,329.48
  6. Step 6: Final answer
    x = 13,194.02

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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.