Home / 22,260.63-30,718.49-12,187.14

Finding the Fourth Proportional to 22,260.63, 30,718.49 and 12,187.14

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Solution

The fourth proportional to 22,260.63, 30,718.49 and 12,187.14 is: 16,817.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,260.63 : 30,718.49 = 12,187.14 : x
  2. Step 2: Convert to fraction form
    22,260.63/30,718.49 = 12,187.14/x
  3. Step 3: Cross multiply
    22,260.63x = 30,718.49 × 12,187.14
  4. Step 4: Simplify right side
    22,260.63x = 374,370,538.22
  5. Step 5: Solve for x
    x = 374,370,538.22/22,260.63
  6. Step 6: Final answer
    x = 16,817.61

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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.