Home / 18,512.42-27,756.26-10,196.32

Finding the Fourth Proportional to 18,512.42, 27,756.26 and 10,196.32

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Solution

The fourth proportional to 18,512.42, 27,756.26 and 10,196.32 is: 15,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.42 : 27,756.26 = 10,196.32 : x
  2. Step 2: Convert to fraction form
    18,512.42/27,756.26 = 10,196.32/x
  3. Step 3: Cross multiply
    18,512.42x = 27,756.26 × 10,196.32
  4. Step 4: Simplify right side
    18,512.42x = 283,011,708.96
  5. Step 5: Solve for x
    x = 283,011,708.96/18,512.42
  6. Step 6: Final answer
    x = 15,287.67

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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.