Home / 9,618.48-13,269.60-5,425.92

Finding the Fourth Proportional to 9,618.48, 13,269.60 and 5,425.92

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Solution

The fourth proportional to 9,618.48, 13,269.60 and 5,425.92 is: 7,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.48 : 13,269.60 = 5,425.92 : x
  2. Step 2: Convert to fraction form
    9,618.48/13,269.60 = 5,425.92/x
  3. Step 3: Cross multiply
    9,618.48x = 13,269.60 × 5,425.92
  4. Step 4: Simplify right side
    9,618.48x = 71,999,788.03
  5. Step 5: Solve for x
    x = 71,999,788.03/9,618.48
  6. Step 6: Final answer
    x = 7,485.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.