Home / 9,126.90-13,692.67-2,553.12

Finding the Fourth Proportional to 9,126.90, 13,692.67 and 2,553.12

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Solution

The fourth proportional to 9,126.90, 13,692.67 and 2,553.12 is: 3,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.90 : 13,692.67 = 2,553.12 : x
  2. Step 2: Convert to fraction form
    9,126.90/13,692.67 = 2,553.12/x
  3. Step 3: Cross multiply
    9,126.90x = 13,692.67 × 2,553.12
  4. Step 4: Simplify right side
    9,126.90x = 34,959,070.24
  5. Step 5: Solve for x
    x = 34,959,070.24/9,126.90
  6. Step 6: Final answer
    x = 3,830.33

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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.