Home / 15,860.40-23,790.60-4,174.80

Finding the Fourth Proportional to 15,860.40, 23,790.60 and 4,174.80

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Solution

The fourth proportional to 15,860.40, 23,790.60 and 4,174.80 is: 6,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.40 : 23,790.60 = 4,174.80 : x
  2. Step 2: Convert to fraction form
    15,860.40/23,790.60 = 4,174.80/x
  3. Step 3: Cross multiply
    15,860.40x = 23,790.60 × 4,174.80
  4. Step 4: Simplify right side
    15,860.40x = 99,320,996.88
  5. Step 5: Solve for x
    x = 99,320,996.88/15,860.40
  6. Step 6: Final answer
    x = 6,262.20

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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.