Home / 12,977.78-19,453.66-5,069.38

Finding the Fourth Proportional to 12,977.78, 19,453.66 and 5,069.38

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Solution

The fourth proportional to 12,977.78, 19,453.66 and 5,069.38 is: 7,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.78 : 19,453.66 = 5,069.38 : x
  2. Step 2: Convert to fraction form
    12,977.78/19,453.66 = 5,069.38/x
  3. Step 3: Cross multiply
    12,977.78x = 19,453.66 × 5,069.38
  4. Step 4: Simplify right side
    12,977.78x = 98,617,994.93
  5. Step 5: Solve for x
    x = 98,617,994.93/12,977.78
  6. Step 6: Final answer
    x = 7,598.99

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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.