Home / 9,431.78-14,145.48-3,511.46

Finding the Fourth Proportional to 9,431.78, 14,145.48 and 3,511.46

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Solution

The fourth proportional to 9,431.78, 14,145.48 and 3,511.46 is: 5,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.78 : 14,145.48 = 3,511.46 : x
  2. Step 2: Convert to fraction form
    9,431.78/14,145.48 = 3,511.46/x
  3. Step 3: Cross multiply
    9,431.78x = 14,145.48 × 3,511.46
  4. Step 4: Simplify right side
    9,431.78x = 49,671,269.52
  5. Step 5: Solve for x
    x = 49,671,269.52/9,431.78
  6. Step 6: Final answer
    x = 5,266.37

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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.