Home / 13,018.60-19,522.14-3,785.32

Finding the Fourth Proportional to 13,018.60, 19,522.14 and 3,785.32

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Solution

The fourth proportional to 13,018.60, 19,522.14 and 3,785.32 is: 5,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.60 : 19,522.14 = 3,785.32 : x
  2. Step 2: Convert to fraction form
    13,018.60/19,522.14 = 3,785.32/x
  3. Step 3: Cross multiply
    13,018.60x = 19,522.14 × 3,785.32
  4. Step 4: Simplify right side
    13,018.60x = 73,897,546.98
  5. Step 5: Solve for x
    x = 73,897,546.98/13,018.60
  6. Step 6: Final answer
    x = 5,676.31

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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.