Home / 10,857.03-16,312.88-6,910.10

Finding the Fourth Proportional to 10,857.03, 16,312.88 and 6,910.10

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Solution

The fourth proportional to 10,857.03, 16,312.88 and 6,910.10 is: 10,382.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.03 : 16,312.88 = 6,910.10 : x
  2. Step 2: Convert to fraction form
    10,857.03/16,312.88 = 6,910.10/x
  3. Step 3: Cross multiply
    10,857.03x = 16,312.88 × 6,910.10
  4. Step 4: Simplify right side
    10,857.03x = 112,723,556.76
  5. Step 5: Solve for x
    x = 112,723,556.76/10,857.03
  6. Step 6: Final answer
    x = 10,382.55

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1.5x scale

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.