Home / 10,634.44-15,953.28-5,438.56

Finding the Fourth Proportional to 10,634.44, 15,953.28 and 5,438.56

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Solution

The fourth proportional to 10,634.44, 15,953.28 and 5,438.56 is: 8,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.44 : 15,953.28 = 5,438.56 : x
  2. Step 2: Convert to fraction form
    10,634.44/15,953.28 = 5,438.56/x
  3. Step 3: Cross multiply
    10,634.44x = 15,953.28 × 5,438.56
  4. Step 4: Simplify right side
    10,634.44x = 86,762,870.48
  5. Step 5: Solve for x
    x = 86,762,870.48/10,634.44
  6. Step 6: Final answer
    x = 8,158.67

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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.