Home / 12,703.89-17,527.26-8,231.07

Finding the Fourth Proportional to 12,703.89, 17,527.26 and 8,231.07

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Solution

The fourth proportional to 12,703.89, 17,527.26 and 8,231.07 is: 11,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.89 : 17,527.26 = 8,231.07 : x
  2. Step 2: Convert to fraction form
    12,703.89/17,527.26 = 8,231.07/x
  3. Step 3: Cross multiply
    12,703.89x = 17,527.26 × 8,231.07
  4. Step 4: Simplify right side
    12,703.89x = 144,268,103.97
  5. Step 5: Solve for x
    x = 144,268,103.97/12,703.89
  6. Step 6: Final answer
    x = 11,356.21

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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.