Home / 21,642.04-29,873.46-12,692.44

Finding the Fourth Proportional to 21,642.04, 29,873.46 and 12,692.44

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Solution

The fourth proportional to 21,642.04, 29,873.46 and 12,692.44 is: 17,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.04 : 29,873.46 = 12,692.44 : x
  2. Step 2: Convert to fraction form
    21,642.04/29,873.46 = 12,692.44/x
  3. Step 3: Cross multiply
    21,642.04x = 29,873.46 × 12,692.44
  4. Step 4: Simplify right side
    21,642.04x = 379,167,098.64
  5. Step 5: Solve for x
    x = 379,167,098.64/21,642.04
  6. Step 6: Final answer
    x = 17,519.93

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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.