Home / 16,895.31-23,319.27-11,239.89

Finding the Fourth Proportional to 16,895.31, 23,319.27 and 11,239.89

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Solution

The fourth proportional to 16,895.31, 23,319.27 and 11,239.89 is: 15,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.31 : 23,319.27 = 11,239.89 : x
  2. Step 2: Convert to fraction form
    16,895.31/23,319.27 = 11,239.89/x
  3. Step 3: Cross multiply
    16,895.31x = 23,319.27 × 11,239.89
  4. Step 4: Simplify right side
    16,895.31x = 262,106,029.68
  5. Step 5: Solve for x
    x = 262,106,029.68/16,895.31
  6. Step 6: Final answer
    x = 15,513.54

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1.5x scale

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.