Home / 11,692.08-16,134.81-6,386.92

Finding the Fourth Proportional to 11,692.08, 16,134.81 and 6,386.92

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Solution

The fourth proportional to 11,692.08, 16,134.81 and 6,386.92 is: 8,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,692.08 : 16,134.81 = 6,386.92 : x
  2. Step 2: Convert to fraction form
    11,692.08/16,134.81 = 6,386.92/x
  3. Step 3: Cross multiply
    11,692.08x = 16,134.81 × 6,386.92
  4. Step 4: Simplify right side
    11,692.08x = 103,051,740.69
  5. Step 5: Solve for x
    x = 103,051,740.69/11,692.08
  6. Step 6: Final answer
    x = 8,813.81

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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.