Home / 9,998.40-13,799.33-6,172.27

Finding the Fourth Proportional to 9,998.40, 13,799.33 and 6,172.27

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Solution

The fourth proportional to 9,998.40, 13,799.33 and 6,172.27 is: 8,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.40 : 13,799.33 = 6,172.27 : x
  2. Step 2: Convert to fraction form
    9,998.40/13,799.33 = 6,172.27/x
  3. Step 3: Cross multiply
    9,998.40x = 13,799.33 × 6,172.27
  4. Step 4: Simplify right side
    9,998.40x = 85,173,090.72
  5. Step 5: Solve for x
    x = 85,173,090.72/9,998.40
  6. Step 6: Final answer
    x = 8,518.67

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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.