Home / 13,673.00-18,868.58-7,704.66

Finding the Fourth Proportional to 13,673.00, 18,868.58 and 7,704.66

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Solution

The fourth proportional to 13,673.00, 18,868.58 and 7,704.66 is: 10,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.00 : 18,868.58 = 7,704.66 : x
  2. Step 2: Convert to fraction form
    13,673.00/18,868.58 = 7,704.66/x
  3. Step 3: Cross multiply
    13,673.00x = 18,868.58 × 7,704.66
  4. Step 4: Simplify right side
    13,673.00x = 145,376,012.84
  5. Step 5: Solve for x
    x = 145,376,012.84/13,673.00
  6. Step 6: Final answer
    x = 10,632.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.