Home / 10,255.85-14,152.25-6,276.42

Finding the Fourth Proportional to 10,255.85, 14,152.25 and 6,276.42

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Solution

The fourth proportional to 10,255.85, 14,152.25 and 6,276.42 is: 8,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.85 : 14,152.25 = 6,276.42 : x
  2. Step 2: Convert to fraction form
    10,255.85/14,152.25 = 6,276.42/x
  3. Step 3: Cross multiply
    10,255.85x = 14,152.25 × 6,276.42
  4. Step 4: Simplify right side
    10,255.85x = 88,825,480.64
  5. Step 5: Solve for x
    x = 88,825,480.64/10,255.85
  6. Step 6: Final answer
    x = 8,660.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.