Home / 14,015.58-21,023.37-7,863.90

Finding the Fourth Proportional to 14,015.58, 21,023.37 and 7,863.90

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Solution

The fourth proportional to 14,015.58, 21,023.37 and 7,863.90 is: 11,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.58 : 21,023.37 = 7,863.90 : x
  2. Step 2: Convert to fraction form
    14,015.58/21,023.37 = 7,863.90/x
  3. Step 3: Cross multiply
    14,015.58x = 21,023.37 × 7,863.90
  4. Step 4: Simplify right side
    14,015.58x = 165,325,679.34
  5. Step 5: Solve for x
    x = 165,325,679.34/14,015.58
  6. Step 6: Final answer
    x = 11,795.85

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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.