Home / 10,668.36-16,002.54-2,877.78

Finding the Fourth Proportional to 10,668.36, 16,002.54 and 2,877.78

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Solution

The fourth proportional to 10,668.36, 16,002.54 and 2,877.78 is: 4,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.36 : 16,002.54 = 2,877.78 : x
  2. Step 2: Convert to fraction form
    10,668.36/16,002.54 = 2,877.78/x
  3. Step 3: Cross multiply
    10,668.36x = 16,002.54 × 2,877.78
  4. Step 4: Simplify right side
    10,668.36x = 46,051,789.56
  5. Step 5: Solve for x
    x = 46,051,789.56/10,668.36
  6. Step 6: Final answer
    x = 4,316.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.