Home / 19,689.27-27,170.60-10,736.96

Finding the Fourth Proportional to 19,689.27, 27,170.60 and 10,736.96

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Solution

The fourth proportional to 19,689.27, 27,170.60 and 10,736.96 is: 14,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.27 : 27,170.60 = 10,736.96 : x
  2. Step 2: Convert to fraction form
    19,689.27/27,170.60 = 10,736.96/x
  3. Step 3: Cross multiply
    19,689.27x = 27,170.60 × 10,736.96
  4. Step 4: Simplify right side
    19,689.27x = 291,729,455.84
  5. Step 5: Solve for x
    x = 291,729,455.84/19,689.27
  6. Step 6: Final answer
    x = 14,816.67

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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.