Home / 12,847.39-19,270.81-5,921.89

Finding the Fourth Proportional to 12,847.39, 19,270.81 and 5,921.89

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Solution

The fourth proportional to 12,847.39, 19,270.81 and 5,921.89 is: 8,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.39 : 19,270.81 = 5,921.89 : x
  2. Step 2: Convert to fraction form
    12,847.39/19,270.81 = 5,921.89/x
  3. Step 3: Cross multiply
    12,847.39x = 19,270.81 × 5,921.89
  4. Step 4: Simplify right side
    12,847.39x = 114,119,554.05
  5. Step 5: Solve for x
    x = 114,119,554.05/12,847.39
  6. Step 6: Final answer
    x = 8,882.71

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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.