Home / 10,416.94-14,375.36-5,636.88

Finding the Fourth Proportional to 10,416.94, 14,375.36 and 5,636.88

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Solution

The fourth proportional to 10,416.94, 14,375.36 and 5,636.88 is: 7,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.94 : 14,375.36 = 5,636.88 : x
  2. Step 2: Convert to fraction form
    10,416.94/14,375.36 = 5,636.88/x
  3. Step 3: Cross multiply
    10,416.94x = 14,375.36 × 5,636.88
  4. Step 4: Simplify right side
    10,416.94x = 81,032,179.28
  5. Step 5: Solve for x
    x = 81,032,179.28/10,416.94
  6. Step 6: Final answer
    x = 7,778.89

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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.