Home / 15,441.36-21,297.83-9,777.03

Finding the Fourth Proportional to 15,441.36, 21,297.83 and 9,777.03

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Solution

The fourth proportional to 15,441.36, 21,297.83 and 9,777.03 is: 13,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.36 : 21,297.83 = 9,777.03 : x
  2. Step 2: Convert to fraction form
    15,441.36/21,297.83 = 9,777.03/x
  3. Step 3: Cross multiply
    15,441.36x = 21,297.83 × 9,777.03
  4. Step 4: Simplify right side
    15,441.36x = 208,229,473.96
  5. Step 5: Solve for x
    x = 208,229,473.96/15,441.36
  6. Step 6: Final answer
    x = 13,485.18

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Similar ratio
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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.