Home / 13,127.49-19,692.23-3,767.45

Finding the Fourth Proportional to 13,127.49, 19,692.23 and 3,767.45

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Solution

The fourth proportional to 13,127.49, 19,692.23 and 3,767.45 is: 5,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.49 : 19,692.23 = 3,767.45 : x
  2. Step 2: Convert to fraction form
    13,127.49/19,692.23 = 3,767.45/x
  3. Step 3: Cross multiply
    13,127.49x = 19,692.23 × 3,767.45
  4. Step 4: Simplify right side
    13,127.49x = 74,189,374.62
  5. Step 5: Solve for x
    x = 74,189,374.62/13,127.49
  6. Step 6: Final answer
    x = 5,651.45

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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.