Home / 12,692.15-19,038.77-3,927.23

Finding the Fourth Proportional to 12,692.15, 19,038.77 and 3,927.23

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Solution

The fourth proportional to 12,692.15, 19,038.77 and 3,927.23 is: 5,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692.15 : 19,038.77 = 3,927.23 : x
  2. Step 2: Convert to fraction form
    12,692.15/19,038.77 = 3,927.23/x
  3. Step 3: Cross multiply
    12,692.15x = 19,038.77 × 3,927.23
  4. Step 4: Simplify right side
    12,692.15x = 74,769,609.07
  5. Step 5: Solve for x
    x = 74,769,609.07/12,692.15
  6. Step 6: Final answer
    x = 5,891.01

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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.