Home / 19,211.62-28,817.51-12,976.26

Finding the Fourth Proportional to 19,211.62, 28,817.51 and 12,976.26

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Solution

The fourth proportional to 19,211.62, 28,817.51 and 12,976.26 is: 19,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.62 : 28,817.51 = 12,976.26 : x
  2. Step 2: Convert to fraction form
    19,211.62/28,817.51 = 12,976.26/x
  3. Step 3: Cross multiply
    19,211.62x = 28,817.51 × 12,976.26
  4. Step 4: Simplify right side
    19,211.62x = 373,943,502.31
  5. Step 5: Solve for x
    x = 373,943,502.31/19,211.62
  6. Step 6: Final answer
    x = 19,464.44

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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.