Home / 13,076.03-18,044.96-7,107.72

Finding the Fourth Proportional to 13,076.03, 18,044.96 and 7,107.72

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Solution

The fourth proportional to 13,076.03, 18,044.96 and 7,107.72 is: 9,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.03 : 18,044.96 = 7,107.72 : x
  2. Step 2: Convert to fraction form
    13,076.03/18,044.96 = 7,107.72/x
  3. Step 3: Cross multiply
    13,076.03x = 18,044.96 × 7,107.72
  4. Step 4: Simplify right side
    13,076.03x = 128,258,523.09
  5. Step 5: Solve for x
    x = 128,258,523.09/13,076.03
  6. Step 6: Final answer
    x = 9,808.68

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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.