Home / 14,279.68-21,413.31-6,785.41

Finding the Fourth Proportional to 14,279.68, 21,413.31 and 6,785.41

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Solution

The fourth proportional to 14,279.68, 21,413.31 and 6,785.41 is: 10,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.68 : 21,413.31 = 6,785.41 : x
  2. Step 2: Convert to fraction form
    14,279.68/21,413.31 = 6,785.41/x
  3. Step 3: Cross multiply
    14,279.68x = 21,413.31 × 6,785.41
  4. Step 4: Simplify right side
    14,279.68x = 145,298,087.81
  5. Step 5: Solve for x
    x = 145,298,087.81/14,279.68
  6. Step 6: Final answer
    x = 10,175.16

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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.