Home / 13,617.72-20,428.86-4,850.58

Finding the Fourth Proportional to 13,617.72, 20,428.86 and 4,850.58

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Solution

The fourth proportional to 13,617.72, 20,428.86 and 4,850.58 is: 7,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.72 : 20,428.86 = 4,850.58 : x
  2. Step 2: Convert to fraction form
    13,617.72/20,428.86 = 4,850.58/x
  3. Step 3: Cross multiply
    13,617.72x = 20,428.86 × 4,850.58
  4. Step 4: Simplify right side
    13,617.72x = 99,091,887.25
  5. Step 5: Solve for x
    x = 99,091,887.25/13,617.72
  6. Step 6: Final answer
    x = 7,276.69

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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.