Home / 17,413.20-26,122.80-5,729.76

Finding the Fourth Proportional to 17,413.20, 26,122.80 and 5,729.76

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Solution

The fourth proportional to 17,413.20, 26,122.80 and 5,729.76 is: 8,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,413.20 : 26,122.80 = 5,729.76 : x
  2. Step 2: Convert to fraction form
    17,413.20/26,122.80 = 5,729.76/x
  3. Step 3: Cross multiply
    17,413.20x = 26,122.80 × 5,729.76
  4. Step 4: Simplify right side
    17,413.20x = 149,677,374.53
  5. Step 5: Solve for x
    x = 149,677,374.53/17,413.20
  6. Step 6: Final answer
    x = 8,595.63

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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.