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Finding the Fourth Proportional to 8,692.24, 13,008.48 and 6,753.28

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Solution

The fourth proportional to 8,692.24, 13,008.48 and 6,753.28 is: 10,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.24 : 13,008.48 = 6,753.28 : x
  2. Step 2: Convert to fraction form
    8,692.24/13,008.48 = 6,753.28/x
  3. Step 3: Cross multiply
    8,692.24x = 13,008.48 × 6,753.28
  4. Step 4: Simplify right side
    8,692.24x = 87,849,907.81
  5. Step 5: Solve for x
    x = 87,849,907.81/8,692.24
  6. Step 6: Final answer
    x = 10,106.71

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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.