Home / 17,126.40-25,692.30-5,440.80

Finding the Fourth Proportional to 17,126.40, 25,692.30 and 5,440.80

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Solution

The fourth proportional to 17,126.40, 25,692.30 and 5,440.80 is: 8,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.40 : 25,692.30 = 5,440.80 : x
  2. Step 2: Convert to fraction form
    17,126.40/25,692.30 = 5,440.80/x
  3. Step 3: Cross multiply
    17,126.40x = 25,692.30 × 5,440.80
  4. Step 4: Simplify right side
    17,126.40x = 139,786,665.84
  5. Step 5: Solve for x
    x = 139,786,665.84/17,126.40
  6. Step 6: Final answer
    x = 8,162.06

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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.