Home / 9,899.81-14,851.68-3,325.74

Finding the Fourth Proportional to 9,899.81, 14,851.68 and 3,325.74

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Solution

The fourth proportional to 9,899.81, 14,851.68 and 3,325.74 is: 4,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.81 : 14,851.68 = 3,325.74 : x
  2. Step 2: Convert to fraction form
    9,899.81/14,851.68 = 3,325.74/x
  3. Step 3: Cross multiply
    9,899.81x = 14,851.68 × 3,325.74
  4. Step 4: Simplify right side
    9,899.81x = 49,392,826.24
  5. Step 5: Solve for x
    x = 49,392,826.24/9,899.81
  6. Step 6: Final answer
    x = 4,989.27

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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.