Home / 11,005.72-16,493.04-8,528.95

Finding the Fourth Proportional to 11,005.72, 16,493.04 and 8,528.95

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Solution

The fourth proportional to 11,005.72, 16,493.04 and 8,528.95 is: 12,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.72 : 16,493.04 = 8,528.95 : x
  2. Step 2: Convert to fraction form
    11,005.72/16,493.04 = 8,528.95/x
  3. Step 3: Cross multiply
    11,005.72x = 16,493.04 × 8,528.95
  4. Step 4: Simplify right side
    11,005.72x = 140,668,231.04
  5. Step 5: Solve for x
    x = 140,668,231.04/11,005.72
  6. Step 6: Final answer
    x = 12,781.38

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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.