Home / 13,207.40-19,806.30-4,442.60

Finding the Fourth Proportional to 13,207.40, 19,806.30 and 4,442.60

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Solution

The fourth proportional to 13,207.40, 19,806.30 and 4,442.60 is: 6,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.40 : 19,806.30 = 4,442.60 : x
  2. Step 2: Convert to fraction form
    13,207.40/19,806.30 = 4,442.60/x
  3. Step 3: Cross multiply
    13,207.40x = 19,806.30 × 4,442.60
  4. Step 4: Simplify right side
    13,207.40x = 87,991,468.38
  5. Step 5: Solve for x
    x = 87,991,468.38/13,207.40
  6. Step 6: Final answer
    x = 6,662.29

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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.