Home / 22,150.06-30,566.97-12,078.32

Finding the Fourth Proportional to 22,150.06, 30,566.97 and 12,078.32

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Solution

The fourth proportional to 22,150.06, 30,566.97 and 12,078.32 is: 16,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,150.06 : 30,566.97 = 12,078.32 : x
  2. Step 2: Convert to fraction form
    22,150.06/30,566.97 = 12,078.32/x
  3. Step 3: Cross multiply
    22,150.06x = 30,566.97 × 12,078.32
  4. Step 4: Simplify right side
    22,150.06x = 369,197,492.26
  5. Step 5: Solve for x
    x = 369,197,492.26/22,150.06
  6. Step 6: Final answer
    x = 16,668.02

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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.