Home / 14,692.05-20,274.80-8,319.87

Finding the Fourth Proportional to 14,692.05, 20,274.80 and 8,319.87

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Solution

The fourth proportional to 14,692.05, 20,274.80 and 8,319.87 is: 11,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.05 : 20,274.80 = 8,319.87 : x
  2. Step 2: Convert to fraction form
    14,692.05/20,274.80 = 8,319.87/x
  3. Step 3: Cross multiply
    14,692.05x = 20,274.80 × 8,319.87
  4. Step 4: Simplify right side
    14,692.05x = 168,683,658.68
  5. Step 5: Solve for x
    x = 168,683,658.68/14,692.05
  6. Step 6: Final answer
    x = 11,481.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.