Home / 12,731.72-17,554.74-11,798.60

Finding the Fourth Proportional to 12,731.72, 17,554.74 and 11,798.60

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Solution

The fourth proportional to 12,731.72, 17,554.74 and 11,798.60 is: 16,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.72 : 17,554.74 = 11,798.60 : x
  2. Step 2: Convert to fraction form
    12,731.72/17,554.74 = 11,798.60/x
  3. Step 3: Cross multiply
    12,731.72x = 17,554.74 × 11,798.60
  4. Step 4: Simplify right side
    12,731.72x = 207,121,355.36
  5. Step 5: Solve for x
    x = 207,121,355.36/12,731.72
  6. Step 6: Final answer
    x = 16,268.14

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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.