Home / 13,137.14-19,708.52-3,777.07

Finding the Fourth Proportional to 13,137.14, 19,708.52 and 3,777.07

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Solution

The fourth proportional to 13,137.14, 19,708.52 and 3,777.07 is: 5,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.14 : 19,708.52 = 3,777.07 : x
  2. Step 2: Convert to fraction form
    13,137.14/19,708.52 = 3,777.07/x
  3. Step 3: Cross multiply
    13,137.14x = 19,708.52 × 3,777.07
  4. Step 4: Simplify right side
    13,137.14x = 74,440,459.64
  5. Step 5: Solve for x
    x = 74,440,459.64/13,137.14
  6. Step 6: Final answer
    x = 5,666.41

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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.