Home / 23,015.75-34,495.31-11,916.09

Finding the Fourth Proportional to 23,015.75, 34,495.31 and 11,916.09

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Solution

The fourth proportional to 23,015.75, 34,495.31 and 11,916.09 is: 17,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.75 : 34,495.31 = 11,916.09 : x
  2. Step 2: Convert to fraction form
    23,015.75/34,495.31 = 11,916.09/x
  3. Step 3: Cross multiply
    23,015.75x = 34,495.31 × 11,916.09
  4. Step 4: Simplify right side
    23,015.75x = 411,049,248.33
  5. Step 5: Solve for x
    x = 411,049,248.33/23,015.75
  6. Step 6: Final answer
    x = 17,859.48

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1.5x scale

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.