Home / 19,120.50-28,692.09-8,733.06

Finding the Fourth Proportional to 19,120.50, 28,692.09 and 8,733.06

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Solution

The fourth proportional to 19,120.50, 28,692.09 and 8,733.06 is: 13,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.50 : 28,692.09 = 8,733.06 : x
  2. Step 2: Convert to fraction form
    19,120.50/28,692.09 = 8,733.06/x
  3. Step 3: Cross multiply
    19,120.50x = 28,692.09 × 8,733.06
  4. Step 4: Simplify right side
    19,120.50x = 250,569,743.50
  5. Step 5: Solve for x
    x = 250,569,743.50/19,120.50
  6. Step 6: Final answer
    x = 13,104.77

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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.