Home / 11,383.40-15,710.21-6,906.80

Finding the Fourth Proportional to 11,383.40, 15,710.21 and 6,906.80

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Solution

The fourth proportional to 11,383.40, 15,710.21 and 6,906.80 is: 9,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.40 : 15,710.21 = 6,906.80 : x
  2. Step 2: Convert to fraction form
    11,383.40/15,710.21 = 6,906.80/x
  3. Step 3: Cross multiply
    11,383.40x = 15,710.21 × 6,906.80
  4. Step 4: Simplify right side
    11,383.40x = 108,507,165.34
  5. Step 5: Solve for x
    x = 108,507,165.34/11,383.40
  6. Step 6: Final answer
    x = 9,532.06

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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.