Home / 12,083.15-18,127.70-9,764.18

Finding the Fourth Proportional to 12,083.15, 18,127.70 and 9,764.18

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Solution

The fourth proportional to 12,083.15, 18,127.70 and 9,764.18 is: 14,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.15 : 18,127.70 = 9,764.18 : x
  2. Step 2: Convert to fraction form
    12,083.15/18,127.70 = 9,764.18/x
  3. Step 3: Cross multiply
    12,083.15x = 18,127.70 × 9,764.18
  4. Step 4: Simplify right side
    12,083.15x = 177,002,125.79
  5. Step 5: Solve for x
    x = 177,002,125.79/12,083.15
  6. Step 6: Final answer
    x = 14,648.67

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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.