Home / 11,477.81-17,216.70-3,692.09

Finding the Fourth Proportional to 11,477.81, 17,216.70 and 3,692.09

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Solution

The fourth proportional to 11,477.81, 17,216.70 and 3,692.09 is: 5,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477.81 : 17,216.70 = 3,692.09 : x
  2. Step 2: Convert to fraction form
    11,477.81/17,216.70 = 3,692.09/x
  3. Step 3: Cross multiply
    11,477.81x = 17,216.70 × 3,692.09
  4. Step 4: Simplify right side
    11,477.81x = 63,565,605.90
  5. Step 5: Solve for x
    x = 63,565,605.90/11,477.81
  6. Step 6: Final answer
    x = 5,538.13

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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.