Home / 13,032.28-17,977.70-7,997.58

Finding the Fourth Proportional to 13,032.28, 17,977.70 and 7,997.58

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Solution

The fourth proportional to 13,032.28, 17,977.70 and 7,997.58 is: 11,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.28 : 17,977.70 = 7,997.58 : x
  2. Step 2: Convert to fraction form
    13,032.28/17,977.70 = 7,997.58/x
  3. Step 3: Cross multiply
    13,032.28x = 17,977.70 × 7,997.58
  4. Step 4: Simplify right side
    13,032.28x = 143,778,093.97
  5. Step 5: Solve for x
    x = 143,778,093.97/13,032.28
  6. Step 6: Final answer
    x = 11,032.46

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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.