Home / 16,692.63-23,035.79-9,138.96

Finding the Fourth Proportional to 16,692.63, 23,035.79 and 9,138.96

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Solution

The fourth proportional to 16,692.63, 23,035.79 and 9,138.96 is: 12,611.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.63 : 23,035.79 = 9,138.96 : x
  2. Step 2: Convert to fraction form
    16,692.63/23,035.79 = 9,138.96/x
  3. Step 3: Cross multiply
    16,692.63x = 23,035.79 × 9,138.96
  4. Step 4: Simplify right side
    16,692.63x = 210,523,186.23
  5. Step 5: Solve for x
    x = 210,523,186.23/16,692.63
  6. Step 6: Final answer
    x = 12,611.74

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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.