Home / 12,692.39-19,034.46-4,370.36

Finding the Fourth Proportional to 12,692.39, 19,034.46 and 4,370.36

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Solution

The fourth proportional to 12,692.39, 19,034.46 and 4,370.36 is: 6,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.39 : 19,034.46 = 4,370.36 : x
  2. Step 2: Convert to fraction form
    12,692.39/19,034.46 = 4,370.36/x
  3. Step 3: Cross multiply
    12,692.39x = 19,034.46 × 4,370.36
  4. Step 4: Simplify right side
    12,692.39x = 83,187,347.43
  5. Step 5: Solve for x
    x = 83,187,347.43/12,692.39
  6. Step 6: Final answer
    x = 6,554.11

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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.