Home / 12,110.90-18,166.35-4,314.24

Finding the Fourth Proportional to 12,110.90, 18,166.35 and 4,314.24

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Solution

The fourth proportional to 12,110.90, 18,166.35 and 4,314.24 is: 6,471.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.90 : 18,166.35 = 4,314.24 : x
  2. Step 2: Convert to fraction form
    12,110.90/18,166.35 = 4,314.24/x
  3. Step 3: Cross multiply
    12,110.90x = 18,166.35 × 4,314.24
  4. Step 4: Simplify right side
    12,110.90x = 78,373,993.82
  5. Step 5: Solve for x
    x = 78,373,993.82/12,110.90
  6. Step 6: Final answer
    x = 6,471.36

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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.