Home / 11,117.78-16,677.52-3,722.26

Finding the Fourth Proportional to 11,117.78, 16,677.52 and 3,722.26

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Solution

The fourth proportional to 11,117.78, 16,677.52 and 3,722.26 is: 5,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.78 : 16,677.52 = 3,722.26 : x
  2. Step 2: Convert to fraction form
    11,117.78/16,677.52 = 3,722.26/x
  3. Step 3: Cross multiply
    11,117.78x = 16,677.52 × 3,722.26
  4. Step 4: Simplify right side
    11,117.78x = 62,078,065.60
  5. Step 5: Solve for x
    x = 62,078,065.60/11,117.78
  6. Step 6: Final answer
    x = 5,583.67

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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.