Home / 15,857.24-21,891.84-10,829

Finding the Fourth Proportional to 15,857.24, 21,891.84 and 10,829

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Solution

The fourth proportional to 15,857.24, 21,891.84 and 10,829 is: 14,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.24 : 21,891.84 = 10,829 : x
  2. Step 2: Convert to fraction form
    15,857.24/21,891.84 = 10,829/x
  3. Step 3: Cross multiply
    15,857.24x = 21,891.84 × 10,829
  4. Step 4: Simplify right side
    15,857.24x = 237,066,735.36
  5. Step 5: Solve for x
    x = 237,066,735.36/15,857.24
  6. Step 6: Final answer
    x = 14,950.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.