Home / 21,482.75-32,222.83-12,773.09

Finding the Fourth Proportional to 21,482.75, 32,222.83 and 12,773.09

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Solution

The fourth proportional to 21,482.75, 32,222.83 and 12,773.09 is: 19,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.75 : 32,222.83 = 12,773.09 : x
  2. Step 2: Convert to fraction form
    21,482.75/32,222.83 = 12,773.09/x
  3. Step 3: Cross multiply
    21,482.75x = 32,222.83 × 12,773.09
  4. Step 4: Simplify right side
    21,482.75x = 411,585,107.64
  5. Step 5: Solve for x
    x = 411,585,107.64/21,482.75
  6. Step 6: Final answer
    x = 19,158.87

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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.