Home / 9,621.48-13,276.80-5,372.22

Finding the Fourth Proportional to 9,621.48, 13,276.80 and 5,372.22

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Solution

The fourth proportional to 9,621.48, 13,276.80 and 5,372.22 is: 7,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.48 : 13,276.80 = 5,372.22 : x
  2. Step 2: Convert to fraction form
    9,621.48/13,276.80 = 5,372.22/x
  3. Step 3: Cross multiply
    9,621.48x = 13,276.80 × 5,372.22
  4. Step 4: Simplify right side
    9,621.48x = 71,325,890.50
  5. Step 5: Solve for x
    x = 71,325,890.50/9,621.48
  6. Step 6: Final answer
    x = 7,413.19

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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.