Home / 10,800.54-16,175.61-8,315.64

Finding the Fourth Proportional to 10,800.54, 16,175.61 and 8,315.64

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Solution

The fourth proportional to 10,800.54, 16,175.61 and 8,315.64 is: 12,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.54 : 16,175.61 = 8,315.64 : x
  2. Step 2: Convert to fraction form
    10,800.54/16,175.61 = 8,315.64/x
  3. Step 3: Cross multiply
    10,800.54x = 16,175.61 × 8,315.64
  4. Step 4: Simplify right side
    10,800.54x = 134,510,549.54
  5. Step 5: Solve for x
    x = 134,510,549.54/10,800.54
  6. Step 6: Final answer
    x = 12,454.06

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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.