Home / 12,699.44-19,016.34-8,762.84

Finding the Fourth Proportional to 12,699.44, 19,016.34 and 8,762.84

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Solution

The fourth proportional to 12,699.44, 19,016.34 and 8,762.84 is: 13,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.44 : 19,016.34 = 8,762.84 : x
  2. Step 2: Convert to fraction form
    12,699.44/19,016.34 = 8,762.84/x
  3. Step 3: Cross multiply
    12,699.44x = 19,016.34 × 8,762.84
  4. Step 4: Simplify right side
    12,699.44x = 166,637,144.81
  5. Step 5: Solve for x
    x = 166,637,144.81/12,699.44
  6. Step 6: Final answer
    x = 13,121.61

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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.