Home / 11,715.45-16,167.36-6,410.25

Finding the Fourth Proportional to 11,715.45, 16,167.36 and 6,410.25

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Solution

The fourth proportional to 11,715.45, 16,167.36 and 6,410.25 is: 8,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.45 : 16,167.36 = 6,410.25 : x
  2. Step 2: Convert to fraction form
    11,715.45/16,167.36 = 6,410.25/x
  3. Step 3: Cross multiply
    11,715.45x = 16,167.36 × 6,410.25
  4. Step 4: Simplify right side
    11,715.45x = 103,636,819.44
  5. Step 5: Solve for x
    x = 103,636,819.44/11,715.45
  6. Step 6: Final answer
    x = 8,846.17

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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.