Home / 10,830.07-16,245.11-4,986.73

Finding the Fourth Proportional to 10,830.07, 16,245.11 and 4,986.73

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Solution

The fourth proportional to 10,830.07, 16,245.11 and 4,986.73 is: 7,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.07 : 16,245.11 = 4,986.73 : x
  2. Step 2: Convert to fraction form
    10,830.07/16,245.11 = 4,986.73/x
  3. Step 3: Cross multiply
    10,830.07x = 16,245.11 × 4,986.73
  4. Step 4: Simplify right side
    10,830.07x = 81,009,982.11
  5. Step 5: Solve for x
    x = 81,009,982.11/10,830.07
  6. Step 6: Final answer
    x = 7,480.10

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Similar ratio
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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.