Home / 19,282.89-28,928.58-8,199.07

Finding the Fourth Proportional to 19,282.89, 28,928.58 and 8,199.07

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Solution

The fourth proportional to 19,282.89, 28,928.58 and 8,199.07 is: 12,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.89 : 28,928.58 = 8,199.07 : x
  2. Step 2: Convert to fraction form
    19,282.89/28,928.58 = 8,199.07/x
  3. Step 3: Cross multiply
    19,282.89x = 28,928.58 × 8,199.07
  4. Step 4: Simplify right side
    19,282.89x = 237,187,452.42
  5. Step 5: Solve for x
    x = 237,187,452.42/19,282.89
  6. Step 6: Final answer
    x = 12,300.41

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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.