Home / 18,942.90-26,140.71-10,444.88

Finding the Fourth Proportional to 18,942.90, 26,140.71 and 10,444.88

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Solution

The fourth proportional to 18,942.90, 26,140.71 and 10,444.88 is: 14,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.90 : 26,140.71 = 10,444.88 : x
  2. Step 2: Convert to fraction form
    18,942.90/26,140.71 = 10,444.88/x
  3. Step 3: Cross multiply
    18,942.90x = 26,140.71 × 10,444.88
  4. Step 4: Simplify right side
    18,942.90x = 273,036,570.95
  5. Step 5: Solve for x
    x = 273,036,570.95/18,942.90
  6. Step 6: Final answer
    x = 14,413.66

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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.