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Finding the Fourth Proportional to 9,899.04, 14,850.36 and 3,325.26

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Solution

The fourth proportional to 9,899.04, 14,850.36 and 3,325.26 is: 4,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.04 : 14,850.36 = 3,325.26 : x
  2. Step 2: Convert to fraction form
    9,899.04/14,850.36 = 3,325.26/x
  3. Step 3: Cross multiply
    9,899.04x = 14,850.36 × 3,325.26
  4. Step 4: Simplify right side
    9,899.04x = 49,381,308.09
  5. Step 5: Solve for x
    x = 49,381,308.09/9,899.04
  6. Step 6: Final answer
    x = 4,988.49

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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.