Home / 13,286.07-19,930.01-4,401.38

Finding the Fourth Proportional to 13,286.07, 19,930.01 and 4,401.38

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Solution

The fourth proportional to 13,286.07, 19,930.01 and 4,401.38 is: 6,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.07 : 19,930.01 = 4,401.38 : x
  2. Step 2: Convert to fraction form
    13,286.07/19,930.01 = 4,401.38/x
  3. Step 3: Cross multiply
    13,286.07x = 19,930.01 × 4,401.38
  4. Step 4: Simplify right side
    13,286.07x = 87,719,425.76
  5. Step 5: Solve for x
    x = 87,719,425.76/13,286.07
  6. Step 6: Final answer
    x = 6,602.36

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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.