Home / 13,114.36-19,675.32-7,571.64

Finding the Fourth Proportional to 13,114.36, 19,675.32 and 7,571.64

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Solution

The fourth proportional to 13,114.36, 19,675.32 and 7,571.64 is: 11,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.36 : 19,675.32 = 7,571.64 : x
  2. Step 2: Convert to fraction form
    13,114.36/19,675.32 = 7,571.64/x
  3. Step 3: Cross multiply
    13,114.36x = 19,675.32 × 7,571.64
  4. Step 4: Simplify right side
    13,114.36x = 148,974,439.92
  5. Step 5: Solve for x
    x = 148,974,439.92/13,114.36
  6. Step 6: Final answer
    x = 11,359.64

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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.