Home / 19,620.55-27,076.88-10,668.67

Finding the Fourth Proportional to 19,620.55, 27,076.88 and 10,668.67

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Solution

The fourth proportional to 19,620.55, 27,076.88 and 10,668.67 is: 14,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.55 : 27,076.88 = 10,668.67 : x
  2. Step 2: Convert to fraction form
    19,620.55/27,076.88 = 10,668.67/x
  3. Step 3: Cross multiply
    19,620.55x = 27,076.88 × 10,668.67
  4. Step 4: Simplify right side
    19,620.55x = 288,874,297.35
  5. Step 5: Solve for x
    x = 288,874,297.35/19,620.55
  6. Step 6: Final answer
    x = 14,723.05

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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.