Home / 10,158.84-15,231.28-3,493.56

Finding the Fourth Proportional to 10,158.84, 15,231.28 and 3,493.56

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Solution

The fourth proportional to 10,158.84, 15,231.28 and 3,493.56 is: 5,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.84 : 15,231.28 = 3,493.56 : x
  2. Step 2: Convert to fraction form
    10,158.84/15,231.28 = 3,493.56/x
  3. Step 3: Cross multiply
    10,158.84x = 15,231.28 × 3,493.56
  4. Step 4: Simplify right side
    10,158.84x = 53,211,390.56
  5. Step 5: Solve for x
    x = 53,211,390.56/10,158.84
  6. Step 6: Final answer
    x = 5,237.94

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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.