Home / 12,054.20-16,634.31-7,018.57

Finding the Fourth Proportional to 12,054.20, 16,634.31 and 7,018.57

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Solution

The fourth proportional to 12,054.20, 16,634.31 and 7,018.57 is: 9,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.20 : 16,634.31 = 7,018.57 : x
  2. Step 2: Convert to fraction form
    12,054.20/16,634.31 = 7,018.57/x
  3. Step 3: Cross multiply
    12,054.20x = 16,634.31 × 7,018.57
  4. Step 4: Simplify right side
    12,054.20x = 116,749,069.14
  5. Step 5: Solve for x
    x = 116,749,069.14/12,054.20
  6. Step 6: Final answer
    x = 9,685.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.