Home / 9,171.23-13,748.54-4,239.54

Finding the Fourth Proportional to 9,171.23, 13,748.54 and 4,239.54

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Solution

The fourth proportional to 9,171.23, 13,748.54 and 4,239.54 is: 6,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.23 : 13,748.54 = 4,239.54 : x
  2. Step 2: Convert to fraction form
    9,171.23/13,748.54 = 4,239.54/x
  3. Step 3: Cross multiply
    9,171.23x = 13,748.54 × 4,239.54
  4. Step 4: Simplify right side
    9,171.23x = 58,287,464.07
  5. Step 5: Solve for x
    x = 58,287,464.07/9,171.23
  6. Step 6: Final answer
    x = 6,355.47

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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.