Home / 10,612.33-15,910.88-4,986.83

Finding the Fourth Proportional to 10,612.33, 15,910.88 and 4,986.83

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Solution

The fourth proportional to 10,612.33, 15,910.88 and 4,986.83 is: 7,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.33 : 15,910.88 = 4,986.83 : x
  2. Step 2: Convert to fraction form
    10,612.33/15,910.88 = 4,986.83/x
  3. Step 3: Cross multiply
    10,612.33x = 15,910.88 × 4,986.83
  4. Step 4: Simplify right side
    10,612.33x = 79,344,896.60
  5. Step 5: Solve for x
    x = 79,344,896.60/10,612.33
  6. Step 6: Final answer
    x = 7,476.67

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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.