Home / 19,315.25-26,661.45-11,766.45

Finding the Fourth Proportional to 19,315.25, 26,661.45 and 11,766.45

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Solution

The fourth proportional to 19,315.25, 26,661.45 and 11,766.45 is: 16,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.25 : 26,661.45 = 11,766.45 : x
  2. Step 2: Convert to fraction form
    19,315.25/26,661.45 = 11,766.45/x
  3. Step 3: Cross multiply
    19,315.25x = 26,661.45 × 11,766.45
  4. Step 4: Simplify right side
    19,315.25x = 313,710,618.35
  5. Step 5: Solve for x
    x = 313,710,618.35/19,315.25
  6. Step 6: Final answer
    x = 16,241.61

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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.