Home / 10,830.40-16,237.44-4,255.68

Finding the Fourth Proportional to 10,830.40, 16,237.44 and 4,255.68

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Solution

The fourth proportional to 10,830.40, 16,237.44 and 4,255.68 is: 6,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.40 : 16,237.44 = 4,255.68 : x
  2. Step 2: Convert to fraction form
    10,830.40/16,237.44 = 4,255.68/x
  3. Step 3: Cross multiply
    10,830.40x = 16,237.44 × 4,255.68
  4. Step 4: Simplify right side
    10,830.40x = 69,101,348.66
  5. Step 5: Solve for x
    x = 69,101,348.66/10,830.40
  6. Step 6: Final answer
    x = 6,380.31

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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.