Home / 15,664.26-21,614-10,356.24

Finding the Fourth Proportional to 15,664.26, 21,614 and 10,356.24

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Solution

The fourth proportional to 15,664.26, 21,614 and 10,356.24 is: 14,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.26 : 21,614 = 10,356.24 : x
  2. Step 2: Convert to fraction form
    15,664.26/21,614 = 10,356.24/x
  3. Step 3: Cross multiply
    15,664.26x = 21,614 × 10,356.24
  4. Step 4: Simplify right side
    15,664.26x = 223,839,771.36
  5. Step 5: Solve for x
    x = 223,839,771.36/15,664.26
  6. Step 6: Final answer
    x = 14,289.84

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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.