Home / 12,014.81-18,014.44-4,999.65

Finding the Fourth Proportional to 12,014.81, 18,014.44 and 4,999.65

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Solution

The fourth proportional to 12,014.81, 18,014.44 and 4,999.65 is: 7,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.81 : 18,014.44 = 4,999.65 : x
  2. Step 2: Convert to fraction form
    12,014.81/18,014.44 = 4,999.65/x
  3. Step 3: Cross multiply
    12,014.81x = 18,014.44 × 4,999.65
  4. Step 4: Simplify right side
    12,014.81x = 90,065,894.95
  5. Step 5: Solve for x
    x = 90,065,894.95/12,014.81
  6. Step 6: Final answer
    x = 7,496.24

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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.