Home / 12,546.36-18,815.09-9,025.76

Finding the Fourth Proportional to 12,546.36, 18,815.09 and 9,025.76

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Solution

The fourth proportional to 12,546.36, 18,815.09 and 9,025.76 is: 13,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.36 : 18,815.09 = 9,025.76 : x
  2. Step 2: Convert to fraction form
    12,546.36/18,815.09 = 9,025.76/x
  3. Step 3: Cross multiply
    12,546.36x = 18,815.09 × 9,025.76
  4. Step 4: Simplify right side
    12,546.36x = 169,820,488.63
  5. Step 5: Solve for x
    x = 169,820,488.63/12,546.36
  6. Step 6: Final answer
    x = 13,535.44

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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.