Home / 15,233.75-20,975.84-13,334.71

Finding the Fourth Proportional to 15,233.75, 20,975.84 and 13,334.71

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Solution

The fourth proportional to 15,233.75, 20,975.84 and 13,334.71 is: 18,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.75 : 20,975.84 = 13,334.71 : x
  2. Step 2: Convert to fraction form
    15,233.75/20,975.84 = 13,334.71/x
  3. Step 3: Cross multiply
    15,233.75x = 20,975.84 × 13,334.71
  4. Step 4: Simplify right side
    15,233.75x = 279,706,724.30
  5. Step 5: Solve for x
    x = 279,706,724.30/15,233.75
  6. Step 6: Final answer
    x = 18,360.99

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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.