Home / 8,468.07-12,692.73-6,381.30

Finding the Fourth Proportional to 8,468.07, 12,692.73 and 6,381.30

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Solution

The fourth proportional to 8,468.07, 12,692.73 and 6,381.30 is: 9,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.07 : 12,692.73 = 6,381.30 : x
  2. Step 2: Convert to fraction form
    8,468.07/12,692.73 = 6,381.30/x
  3. Step 3: Cross multiply
    8,468.07x = 12,692.73 × 6,381.30
  4. Step 4: Simplify right side
    8,468.07x = 80,996,117.95
  5. Step 5: Solve for x
    x = 80,996,117.95/8,468.07
  6. Step 6: Final answer
    x = 9,564.89

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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.