Home / 12,110.58-18,166.21-3,345.49

Finding the Fourth Proportional to 12,110.58, 18,166.21 and 3,345.49

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Solution

The fourth proportional to 12,110.58, 18,166.21 and 3,345.49 is: 5,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.58 : 18,166.21 = 3,345.49 : x
  2. Step 2: Convert to fraction form
    12,110.58/18,166.21 = 3,345.49/x
  3. Step 3: Cross multiply
    12,110.58x = 18,166.21 × 3,345.49
  4. Step 4: Simplify right side
    12,110.58x = 60,774,953.44
  5. Step 5: Solve for x
    x = 60,774,953.44/12,110.58
  6. Step 6: Final answer
    x = 5,018.34

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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.