Home / 17,928.42-24,740.07-11,213.72

Finding the Fourth Proportional to 17,928.42, 24,740.07 and 11,213.72

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Solution

The fourth proportional to 17,928.42, 24,740.07 and 11,213.72 is: 15,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.42 : 24,740.07 = 11,213.72 : x
  2. Step 2: Convert to fraction form
    17,928.42/24,740.07 = 11,213.72/x
  3. Step 3: Cross multiply
    17,928.42x = 24,740.07 × 11,213.72
  4. Step 4: Simplify right side
    17,928.42x = 277,428,144.78
  5. Step 5: Solve for x
    x = 277,428,144.78/17,928.42
  6. Step 6: Final answer
    x = 15,474.21

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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.