Home / 10,255.83-15,384.07-3,235.91

Finding the Fourth Proportional to 10,255.83, 15,384.07 and 3,235.91

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Solution

The fourth proportional to 10,255.83, 15,384.07 and 3,235.91 is: 4,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.83 : 15,384.07 = 3,235.91 : x
  2. Step 2: Convert to fraction form
    10,255.83/15,384.07 = 3,235.91/x
  3. Step 3: Cross multiply
    10,255.83x = 15,384.07 × 3,235.91
  4. Step 4: Simplify right side
    10,255.83x = 49,781,393.08
  5. Step 5: Solve for x
    x = 49,781,393.08/10,255.83
  6. Step 6: Final answer
    x = 4,853.96

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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.