Home / 13,975.24-20,942.26-10,448.70

Finding the Fourth Proportional to 13,975.24, 20,942.26 and 10,448.70

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Solution

The fourth proportional to 13,975.24, 20,942.26 and 10,448.70 is: 15,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.24 : 20,942.26 = 10,448.70 : x
  2. Step 2: Convert to fraction form
    13,975.24/20,942.26 = 10,448.70/x
  3. Step 3: Cross multiply
    13,975.24x = 20,942.26 × 10,448.70
  4. Step 4: Simplify right side
    13,975.24x = 218,819,392.06
  5. Step 5: Solve for x
    x = 218,819,392.06/13,975.24
  6. Step 6: Final answer
    x = 15,657.65

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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.