Home / 21,692.39-29,935.08-12,260.75

Finding the Fourth Proportional to 21,692.39, 29,935.08 and 12,260.75

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Solution

The fourth proportional to 21,692.39, 29,935.08 and 12,260.75 is: 16,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.39 : 29,935.08 = 12,260.75 : x
  2. Step 2: Convert to fraction form
    21,692.39/29,935.08 = 12,260.75/x
  3. Step 3: Cross multiply
    21,692.39x = 29,935.08 × 12,260.75
  4. Step 4: Simplify right side
    21,692.39x = 367,026,382.43
  5. Step 5: Solve for x
    x = 367,026,382.43/21,692.39
  6. Step 6: Final answer
    x = 16,919.60

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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.