Home / 12,014.46-18,021.18-4,117.71

Finding the Fourth Proportional to 12,014.46, 18,021.18 and 4,117.71

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Solution

The fourth proportional to 12,014.46, 18,021.18 and 4,117.71 is: 6,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.46 : 18,021.18 = 4,117.71 : x
  2. Step 2: Convert to fraction form
    12,014.46/18,021.18 = 4,117.71/x
  3. Step 3: Cross multiply
    12,014.46x = 18,021.18 × 4,117.71
  4. Step 4: Simplify right side
    12,014.46x = 74,205,993.10
  5. Step 5: Solve for x
    x = 74,205,993.10/12,014.46
  6. Step 6: Final answer
    x = 6,176.39

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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.