Home / 20,310.06-30,461.94-7,835.93

Finding the Fourth Proportional to 20,310.06, 30,461.94 and 7,835.93

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Solution

The fourth proportional to 20,310.06, 30,461.94 and 7,835.93 is: 11,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310.06 : 30,461.94 = 7,835.93 : x
  2. Step 2: Convert to fraction form
    20,310.06/30,461.94 = 7,835.93/x
  3. Step 3: Cross multiply
    20,310.06x = 30,461.94 × 7,835.93
  4. Step 4: Simplify right side
    20,310.06x = 238,697,477.19
  5. Step 5: Solve for x
    x = 238,697,477.19/20,310.06
  6. Step 6: Final answer
    x = 11,752.67

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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.