Home / 15,818.37-23,677.80-8,692.80

Finding the Fourth Proportional to 15,818.37, 23,677.80 and 8,692.80

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Solution

The fourth proportional to 15,818.37, 23,677.80 and 8,692.80 is: 13,011.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.37 : 23,677.80 = 8,692.80 : x
  2. Step 2: Convert to fraction form
    15,818.37/23,677.80 = 8,692.80/x
  3. Step 3: Cross multiply
    15,818.37x = 23,677.80 × 8,692.80
  4. Step 4: Simplify right side
    15,818.37x = 205,826,379.84
  5. Step 5: Solve for x
    x = 205,826,379.84/15,818.37
  6. Step 6: Final answer
    x = 13,011.86

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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.