Home / 22,240.44-30,692.25-13,287.95

Finding the Fourth Proportional to 22,240.44, 30,692.25 and 13,287.95

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Solution

The fourth proportional to 22,240.44, 30,692.25 and 13,287.95 is: 18,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,240.44 : 30,692.25 = 13,287.95 : x
  2. Step 2: Convert to fraction form
    22,240.44/30,692.25 = 13,287.95/x
  3. Step 3: Cross multiply
    22,240.44x = 30,692.25 × 13,287.95
  4. Step 4: Simplify right side
    22,240.44x = 407,837,045.02
  5. Step 5: Solve for x
    x = 407,837,045.02/22,240.44
  6. Step 6: Final answer
    x = 18,337.63

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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.