Home / 10,103.98-13,939.56-6,325.60

Finding the Fourth Proportional to 10,103.98, 13,939.56 and 6,325.60

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Solution

The fourth proportional to 10,103.98, 13,939.56 and 6,325.60 is: 8,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,103.98 : 13,939.56 = 6,325.60 : x
  2. Step 2: Convert to fraction form
    10,103.98/13,939.56 = 6,325.60/x
  3. Step 3: Cross multiply
    10,103.98x = 13,939.56 × 6,325.60
  4. Step 4: Simplify right side
    10,103.98x = 88,176,080.74
  5. Step 5: Solve for x
    x = 88,176,080.74/10,103.98
  6. Step 6: Final answer
    x = 8,726.87

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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.