Home / 15,833.09-21,834.72-11,808.81

Finding the Fourth Proportional to 15,833.09, 21,834.72 and 11,808.81

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Solution

The fourth proportional to 15,833.09, 21,834.72 and 11,808.81 is: 16,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.09 : 21,834.72 = 11,808.81 : x
  2. Step 2: Convert to fraction form
    15,833.09/21,834.72 = 11,808.81/x
  3. Step 3: Cross multiply
    15,833.09x = 21,834.72 × 11,808.81
  4. Step 4: Simplify right side
    15,833.09x = 257,842,059.88
  5. Step 5: Solve for x
    x = 257,842,059.88/15,833.09
  6. Step 6: Final answer
    x = 16,285.01

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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.