Home / 13,407.09-18,497.23-8,692.30

Finding the Fourth Proportional to 13,407.09, 18,497.23 and 8,692.30

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Solution

The fourth proportional to 13,407.09, 18,497.23 and 8,692.30 is: 11,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.09 : 18,497.23 = 8,692.30 : x
  2. Step 2: Convert to fraction form
    13,407.09/18,497.23 = 8,692.30/x
  3. Step 3: Cross multiply
    13,407.09x = 18,497.23 × 8,692.30
  4. Step 4: Simplify right side
    13,407.09x = 160,783,472.33
  5. Step 5: Solve for x
    x = 160,783,472.33/13,407.09
  6. Step 6: Final answer
    x = 11,992.42

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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.