Home / 18,676.06-28,013.97-7,582.63

Finding the Fourth Proportional to 18,676.06, 28,013.97 and 7,582.63

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Solution

The fourth proportional to 18,676.06, 28,013.97 and 7,582.63 is: 11,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.06 : 28,013.97 = 7,582.63 : x
  2. Step 2: Convert to fraction form
    18,676.06/28,013.97 = 7,582.63/x
  3. Step 3: Cross multiply
    18,676.06x = 28,013.97 × 7,582.63
  4. Step 4: Simplify right side
    18,676.06x = 212,419,569.34
  5. Step 5: Solve for x
    x = 212,419,569.34/18,676.06
  6. Step 6: Final answer
    x = 11,373.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.