Home / 9,419.78-14,129.64-2,846.50

Finding the Fourth Proportional to 9,419.78, 14,129.64 and 2,846.50

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Solution

The fourth proportional to 9,419.78, 14,129.64 and 2,846.50 is: 4,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.78 : 14,129.64 = 2,846.50 : x
  2. Step 2: Convert to fraction form
    9,419.78/14,129.64 = 2,846.50/x
  3. Step 3: Cross multiply
    9,419.78x = 14,129.64 × 2,846.50
  4. Step 4: Simplify right side
    9,419.78x = 40,219,984.94
  5. Step 5: Solve for x
    x = 40,219,984.94/9,419.78
  6. Step 6: Final answer
    x = 4,269.74

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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.