Home / 19,250.84-28,853.82-8,153.80

Finding the Fourth Proportional to 19,250.84, 28,853.82 and 8,153.80

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Solution

The fourth proportional to 19,250.84, 28,853.82 and 8,153.80 is: 12,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.84 : 28,853.82 = 8,153.80 : x
  2. Step 2: Convert to fraction form
    19,250.84/28,853.82 = 8,153.80/x
  3. Step 3: Cross multiply
    19,250.84x = 28,853.82 × 8,153.80
  4. Step 4: Simplify right side
    19,250.84x = 235,268,277.52
  5. Step 5: Solve for x
    x = 235,268,277.52/19,250.84
  6. Step 6: Final answer
    x = 12,221.20

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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.