Home / 11,130.25-16,698.87-6,692.76

Finding the Fourth Proportional to 11,130.25, 16,698.87 and 6,692.76

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Solution

The fourth proportional to 11,130.25, 16,698.87 and 6,692.76 is: 10,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.25 : 16,698.87 = 6,692.76 : x
  2. Step 2: Convert to fraction form
    11,130.25/16,698.87 = 6,692.76/x
  3. Step 3: Cross multiply
    11,130.25x = 16,698.87 × 6,692.76
  4. Step 4: Simplify right side
    11,130.25x = 111,761,529.18
  5. Step 5: Solve for x
    x = 111,761,529.18/11,130.25
  6. Step 6: Final answer
    x = 10,041.24

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1.5x scale

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.