Home / 12,673.44-18,997.40-5,281.98

Finding the Fourth Proportional to 12,673.44, 18,997.40 and 5,281.98

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Solution

The fourth proportional to 12,673.44, 18,997.40 and 5,281.98 is: 7,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.44 : 18,997.40 = 5,281.98 : x
  2. Step 2: Convert to fraction form
    12,673.44/18,997.40 = 5,281.98/x
  3. Step 3: Cross multiply
    12,673.44x = 18,997.40 × 5,281.98
  4. Step 4: Simplify right side
    12,673.44x = 100,343,886.85
  5. Step 5: Solve for x
    x = 100,343,886.85/12,673.44
  6. Step 6: Final answer
    x = 7,917.65

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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.