Home / 13,137.82-19,710.01-3,777.84

Finding the Fourth Proportional to 13,137.82, 19,710.01 and 3,777.84

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Solution

The fourth proportional to 13,137.82, 19,710.01 and 3,777.84 is: 5,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.82 : 19,710.01 = 3,777.84 : x
  2. Step 2: Convert to fraction form
    13,137.82/19,710.01 = 3,777.84/x
  3. Step 3: Cross multiply
    13,137.82x = 19,710.01 × 3,777.84
  4. Step 4: Simplify right side
    13,137.82x = 74,461,165.63
  5. Step 5: Solve for x
    x = 74,461,165.63/13,137.82
  6. Step 6: Final answer
    x = 5,667.70

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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.