Home / 20,085.26-27,718.37-12,125.93

Finding the Fourth Proportional to 20,085.26, 27,718.37 and 12,125.93

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Solution

The fourth proportional to 20,085.26, 27,718.37 and 12,125.93 is: 16,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085.26 : 27,718.37 = 12,125.93 : x
  2. Step 2: Convert to fraction form
    20,085.26/27,718.37 = 12,125.93/x
  3. Step 3: Cross multiply
    20,085.26x = 27,718.37 × 12,125.93
  4. Step 4: Simplify right side
    20,085.26x = 336,111,014.33
  5. Step 5: Solve for x
    x = 336,111,014.33/20,085.26
  6. Step 6: Final answer
    x = 16,734.21

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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.