Home / 13,134.40-19,701.60-3,900.16

Finding the Fourth Proportional to 13,134.40, 19,701.60 and 3,900.16

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Solution

The fourth proportional to 13,134.40, 19,701.60 and 3,900.16 is: 5,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.40 : 19,701.60 = 3,900.16 : x
  2. Step 2: Convert to fraction form
    13,134.40/19,701.60 = 3,900.16/x
  3. Step 3: Cross multiply
    13,134.40x = 19,701.60 × 3,900.16
  4. Step 4: Simplify right side
    13,134.40x = 76,839,392.26
  5. Step 5: Solve for x
    x = 76,839,392.26/13,134.40
  6. Step 6: Final answer
    x = 5,850.24

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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.