Home / 14,323.20-19,761.51-8,272.67

Finding the Fourth Proportional to 14,323.20, 19,761.51 and 8,272.67

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Solution

The fourth proportional to 14,323.20, 19,761.51 and 8,272.67 is: 11,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.20 : 19,761.51 = 8,272.67 : x
  2. Step 2: Convert to fraction form
    14,323.20/19,761.51 = 8,272.67/x
  3. Step 3: Cross multiply
    14,323.20x = 19,761.51 × 8,272.67
  4. Step 4: Simplify right side
    14,323.20x = 163,480,383.15
  5. Step 5: Solve for x
    x = 163,480,383.15/14,323.20
  6. Step 6: Final answer
    x = 11,413.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.