Home / 13,270.23-19,902.13-3,907.70

Finding the Fourth Proportional to 13,270.23, 19,902.13 and 3,907.70

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Solution

The fourth proportional to 13,270.23, 19,902.13 and 3,907.70 is: 5,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.23 : 19,902.13 = 3,907.70 : x
  2. Step 2: Convert to fraction form
    13,270.23/19,902.13 = 3,907.70/x
  3. Step 3: Cross multiply
    13,270.23x = 19,902.13 × 3,907.70
  4. Step 4: Simplify right side
    13,270.23x = 77,771,553.40
  5. Step 5: Solve for x
    x = 77,771,553.40/13,270.23
  6. Step 6: Final answer
    x = 5,860.60

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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.