Home / 13,028.12-19,546.50-8,662.76

Finding the Fourth Proportional to 13,028.12, 19,546.50 and 8,662.76

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Solution

The fourth proportional to 13,028.12, 19,546.50 and 8,662.76 is: 12,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.12 : 19,546.50 = 8,662.76 : x
  2. Step 2: Convert to fraction form
    13,028.12/19,546.50 = 8,662.76/x
  3. Step 3: Cross multiply
    13,028.12x = 19,546.50 × 8,662.76
  4. Step 4: Simplify right side
    13,028.12x = 169,326,638.34
  5. Step 5: Solve for x
    x = 169,326,638.34/13,028.12
  6. Step 6: Final answer
    x = 12,997.01

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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.