Home / 14,275.77-21,413.79-6,378.67

Finding the Fourth Proportional to 14,275.77, 21,413.79 and 6,378.67

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Solution

The fourth proportional to 14,275.77, 21,413.79 and 6,378.67 is: 9,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.77 : 21,413.79 = 6,378.67 : x
  2. Step 2: Convert to fraction form
    14,275.77/21,413.79 = 6,378.67/x
  3. Step 3: Cross multiply
    14,275.77x = 21,413.79 × 6,378.67
  4. Step 4: Simplify right side
    14,275.77x = 136,591,499.86
  5. Step 5: Solve for x
    x = 136,591,499.86/14,275.77
  6. Step 6: Final answer
    x = 9,568.07

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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.