Home / 11,688.39-16,121.52-7,435.26

Finding the Fourth Proportional to 11,688.39, 16,121.52 and 7,435.26

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Solution

The fourth proportional to 11,688.39, 16,121.52 and 7,435.26 is: 10,255.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.39 : 16,121.52 = 7,435.26 : x
  2. Step 2: Convert to fraction form
    11,688.39/16,121.52 = 7,435.26/x
  3. Step 3: Cross multiply
    11,688.39x = 16,121.52 × 7,435.26
  4. Step 4: Simplify right side
    11,688.39x = 119,867,692.80
  5. Step 5: Solve for x
    x = 119,867,692.80/11,688.39
  6. Step 6: Final answer
    x = 10,255.28

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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.