Home / 12,275.88-18,413.70-4,484.64

Finding the Fourth Proportional to 12,275.88, 18,413.70 and 4,484.64

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Solution

The fourth proportional to 12,275.88, 18,413.70 and 4,484.64 is: 6,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.88 : 18,413.70 = 4,484.64 : x
  2. Step 2: Convert to fraction form
    12,275.88/18,413.70 = 4,484.64/x
  3. Step 3: Cross multiply
    12,275.88x = 18,413.70 × 4,484.64
  4. Step 4: Simplify right side
    12,275.88x = 82,578,815.57
  5. Step 5: Solve for x
    x = 82,578,815.57/12,275.88
  6. Step 6: Final answer
    x = 6,726.92

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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.