Home / 17,331.36-23,912.28-9,777.30

Finding the Fourth Proportional to 17,331.36, 23,912.28 and 9,777.30

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Solution

The fourth proportional to 17,331.36, 23,912.28 and 9,777.30 is: 13,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.36 : 23,912.28 = 9,777.30 : x
  2. Step 2: Convert to fraction form
    17,331.36/23,912.28 = 9,777.30/x
  3. Step 3: Cross multiply
    17,331.36x = 23,912.28 × 9,777.30
  4. Step 4: Simplify right side
    17,331.36x = 233,797,535.24
  5. Step 5: Solve for x
    x = 233,797,535.24/17,331.36
  6. Step 6: Final answer
    x = 13,489.86

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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.