Home / 13,176.07-19,763.39-3,315.33

Finding the Fourth Proportional to 13,176.07, 19,763.39 and 3,315.33

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Solution

The fourth proportional to 13,176.07, 19,763.39 and 3,315.33 is: 4,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.07 : 19,763.39 = 3,315.33 : x
  2. Step 2: Convert to fraction form
    13,176.07/19,763.39 = 3,315.33/x
  3. Step 3: Cross multiply
    13,176.07x = 19,763.39 × 3,315.33
  4. Step 4: Simplify right side
    13,176.07x = 65,522,168.06
  5. Step 5: Solve for x
    x = 65,522,168.06/13,176.07
  6. Step 6: Final answer
    x = 4,972.82

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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.