Home / 13,126.40-19,692.12-4,244.12

Finding the Fourth Proportional to 13,126.40, 19,692.12 and 4,244.12

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Solution

The fourth proportional to 13,126.40, 19,692.12 and 4,244.12 is: 6,366.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.40 : 19,692.12 = 4,244.12 : x
  2. Step 2: Convert to fraction form
    13,126.40/19,692.12 = 4,244.12/x
  3. Step 3: Cross multiply
    13,126.40x = 19,692.12 × 4,244.12
  4. Step 4: Simplify right side
    13,126.40x = 83,575,720.33
  5. Step 5: Solve for x
    x = 83,575,720.33/13,126.40
  6. Step 6: Final answer
    x = 6,366.99

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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.