Home / 10,431.87-15,647.54-3,038.37

Finding the Fourth Proportional to 10,431.87, 15,647.54 and 3,038.37

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Solution

The fourth proportional to 10,431.87, 15,647.54 and 3,038.37 is: 4,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.87 : 15,647.54 = 3,038.37 : x
  2. Step 2: Convert to fraction form
    10,431.87/15,647.54 = 3,038.37/x
  3. Step 3: Cross multiply
    10,431.87x = 15,647.54 × 3,038.37
  4. Step 4: Simplify right side
    10,431.87x = 47,543,000.92
  5. Step 5: Solve for x
    x = 47,543,000.92/10,431.87
  6. Step 6: Final answer
    x = 4,557.48

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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.