Home / 18,692.40-28,052.50-8,834.70

Finding the Fourth Proportional to 18,692.40, 28,052.50 and 8,834.70

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Solution

The fourth proportional to 18,692.40, 28,052.50 and 8,834.70 is: 13,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.40 : 28,052.50 = 8,834.70 : x
  2. Step 2: Convert to fraction form
    18,692.40/28,052.50 = 8,834.70/x
  3. Step 3: Cross multiply
    18,692.40x = 28,052.50 × 8,834.70
  4. Step 4: Simplify right side
    18,692.40x = 247,835,421.75
  5. Step 5: Solve for x
    x = 247,835,421.75/18,692.40
  6. Step 6: Final answer
    x = 13,258.62

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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.