Home / 10,878.13-16,327.46-6,984.73

Finding the Fourth Proportional to 10,878.13, 16,327.46 and 6,984.73

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Solution

The fourth proportional to 10,878.13, 16,327.46 and 6,984.73 is: 10,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.13 : 16,327.46 = 6,984.73 : x
  2. Step 2: Convert to fraction form
    10,878.13/16,327.46 = 6,984.73/x
  3. Step 3: Cross multiply
    10,878.13x = 16,327.46 × 6,984.73
  4. Step 4: Simplify right side
    10,878.13x = 114,042,899.69
  5. Step 5: Solve for x
    x = 114,042,899.69/10,878.13
  6. Step 6: Final answer
    x = 10,483.69

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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.