Home / 11,692.50-16,135.04-6,386.29

Finding the Fourth Proportional to 11,692.50, 16,135.04 and 6,386.29

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Solution

The fourth proportional to 11,692.50, 16,135.04 and 6,386.29 is: 8,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.50 : 16,135.04 = 6,386.29 : x
  2. Step 2: Convert to fraction form
    11,692.50/16,135.04 = 6,386.29/x
  3. Step 3: Cross multiply
    11,692.50x = 16,135.04 × 6,386.29
  4. Step 4: Simplify right side
    11,692.50x = 103,043,044.60
  5. Step 5: Solve for x
    x = 103,043,044.60/11,692.50
  6. Step 6: Final answer
    x = 8,812.75

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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.