Home / 10,255.66-15,385.82-3,235.63

Finding the Fourth Proportional to 10,255.66, 15,385.82 and 3,235.63

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Solution

The fourth proportional to 10,255.66, 15,385.82 and 3,235.63 is: 4,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.66 : 15,385.82 = 3,235.63 : x
  2. Step 2: Convert to fraction form
    10,255.66/15,385.82 = 3,235.63/x
  3. Step 3: Cross multiply
    10,255.66x = 15,385.82 × 3,235.63
  4. Step 4: Simplify right side
    10,255.66x = 49,782,820.77
  5. Step 5: Solve for x
    x = 49,782,820.77/10,255.66
  6. Step 6: Final answer
    x = 4,854.18

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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.