Home / 12,014.15-18,027.68-4,999

Finding the Fourth Proportional to 12,014.15, 18,027.68 and 4,999

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Solution

The fourth proportional to 12,014.15, 18,027.68 and 4,999 is: 7,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.15 : 18,027.68 = 4,999 : x
  2. Step 2: Convert to fraction form
    12,014.15/18,027.68 = 4,999/x
  3. Step 3: Cross multiply
    12,014.15x = 18,027.68 × 4,999
  4. Step 4: Simplify right side
    12,014.15x = 90,120,372.32
  5. Step 5: Solve for x
    x = 90,120,372.32/12,014.15
  6. Step 6: Final answer
    x = 7,501.19

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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.