Home / 12,860.24-19,263-7,589.56

Finding the Fourth Proportional to 12,860.24, 19,263 and 7,589.56

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Solution

The fourth proportional to 12,860.24, 19,263 and 7,589.56 is: 11,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.24 : 19,263 = 7,589.56 : x
  2. Step 2: Convert to fraction form
    12,860.24/19,263 = 7,589.56/x
  3. Step 3: Cross multiply
    12,860.24x = 19,263 × 7,589.56
  4. Step 4: Simplify right side
    12,860.24x = 146,197,694.28
  5. Step 5: Solve for x
    x = 146,197,694.28/12,860.24
  6. Step 6: Final answer
    x = 11,368.19

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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.