Home / 9,855.41-13,602.20-5,876.75

Finding the Fourth Proportional to 9,855.41, 13,602.20 and 5,876.75

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Solution

The fourth proportional to 9,855.41, 13,602.20 and 5,876.75 is: 8,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.41 : 13,602.20 = 5,876.75 : x
  2. Step 2: Convert to fraction form
    9,855.41/13,602.20 = 5,876.75/x
  3. Step 3: Cross multiply
    9,855.41x = 13,602.20 × 5,876.75
  4. Step 4: Simplify right side
    9,855.41x = 79,936,733.47
  5. Step 5: Solve for x
    x = 79,936,733.47/9,855.41
  6. Step 6: Final answer
    x = 8,110.95

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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.