Home / 22,692.99-31,313.92-12,619.80

Finding the Fourth Proportional to 22,692.99, 31,313.92 and 12,619.80

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Solution

The fourth proportional to 22,692.99, 31,313.92 and 12,619.80 is: 17,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.99 : 31,313.92 = 12,619.80 : x
  2. Step 2: Convert to fraction form
    22,692.99/31,313.92 = 12,619.80/x
  3. Step 3: Cross multiply
    22,692.99x = 31,313.92 × 12,619.80
  4. Step 4: Simplify right side
    22,692.99x = 395,175,364.24
  5. Step 5: Solve for x
    x = 395,175,364.24/22,692.99
  6. Step 6: Final answer
    x = 17,413.99

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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.