Home / 12,801.33-19,222.84-7,902.11

Finding the Fourth Proportional to 12,801.33, 19,222.84 and 7,902.11

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Solution

The fourth proportional to 12,801.33, 19,222.84 and 7,902.11 is: 11,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.33 : 19,222.84 = 7,902.11 : x
  2. Step 2: Convert to fraction form
    12,801.33/19,222.84 = 7,902.11/x
  3. Step 3: Cross multiply
    12,801.33x = 19,222.84 × 7,902.11
  4. Step 4: Simplify right side
    12,801.33x = 151,900,996.19
  5. Step 5: Solve for x
    x = 151,900,996.19/12,801.33
  6. Step 6: Final answer
    x = 11,866.03

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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.