Home / 11,692.32-16,135.72-6,979.34

Finding the Fourth Proportional to 11,692.32, 16,135.72 and 6,979.34

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Solution

The fourth proportional to 11,692.32, 16,135.72 and 6,979.34 is: 9,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.32 : 16,135.72 = 6,979.34 : x
  2. Step 2: Convert to fraction form
    11,692.32/16,135.72 = 6,979.34/x
  3. Step 3: Cross multiply
    11,692.32x = 16,135.72 × 6,979.34
  4. Step 4: Simplify right side
    11,692.32x = 112,616,577.90
  5. Step 5: Solve for x
    x = 112,616,577.90/11,692.32
  6. Step 6: Final answer
    x = 9,631.67

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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.