Home / 10,156.05-15,237.18-4,823.28

Finding the Fourth Proportional to 10,156.05, 15,237.18 and 4,823.28

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Solution

The fourth proportional to 10,156.05, 15,237.18 and 4,823.28 is: 7,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.05 : 15,237.18 = 4,823.28 : x
  2. Step 2: Convert to fraction form
    10,156.05/15,237.18 = 4,823.28/x
  3. Step 3: Cross multiply
    10,156.05x = 15,237.18 × 4,823.28
  4. Step 4: Simplify right side
    10,156.05x = 73,493,185.55
  5. Step 5: Solve for x
    x = 73,493,185.55/10,156.05
  6. Step 6: Final answer
    x = 7,236.39

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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.