Home / 13,154.22-19,736.73-5,754.87

Finding the Fourth Proportional to 13,154.22, 19,736.73 and 5,754.87

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Solution

The fourth proportional to 13,154.22, 19,736.73 and 5,754.87 is: 8,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.22 : 19,736.73 = 5,754.87 : x
  2. Step 2: Convert to fraction form
    13,154.22/19,736.73 = 5,754.87/x
  3. Step 3: Cross multiply
    13,154.22x = 19,736.73 × 5,754.87
  4. Step 4: Simplify right side
    13,154.22x = 113,582,315.38
  5. Step 5: Solve for x
    x = 113,582,315.38/13,154.22
  6. Step 6: Final answer
    x = 8,634.67

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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.