Home / 12,237.10-18,360.45-4,446.70

Finding the Fourth Proportional to 12,237.10, 18,360.45 and 4,446.70

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Solution

The fourth proportional to 12,237.10, 18,360.45 and 4,446.70 is: 6,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.10 : 18,360.45 = 4,446.70 : x
  2. Step 2: Convert to fraction form
    12,237.10/18,360.45 = 4,446.70/x
  3. Step 3: Cross multiply
    12,237.10x = 18,360.45 × 4,446.70
  4. Step 4: Simplify right side
    12,237.10x = 81,643,413.02
  5. Step 5: Solve for x
    x = 81,643,413.02/12,237.10
  6. Step 6: Final answer
    x = 6,671.79

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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.