Home / 11,112.40-16,668.60-4,451.93

Finding the Fourth Proportional to 11,112.40, 16,668.60 and 4,451.93

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Solution

The fourth proportional to 11,112.40, 16,668.60 and 4,451.93 is: 6,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.40 : 16,668.60 = 4,451.93 : x
  2. Step 2: Convert to fraction form
    11,112.40/16,668.60 = 4,451.93/x
  3. Step 3: Cross multiply
    11,112.40x = 16,668.60 × 4,451.93
  4. Step 4: Simplify right side
    11,112.40x = 74,207,334.80
  5. Step 5: Solve for x
    x = 74,207,334.80/11,112.40
  6. Step 6: Final answer
    x = 6,677.89

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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.