Home / 11,117.12-16,678.92-4,542.08

Finding the Fourth Proportional to 11,117.12, 16,678.92 and 4,542.08

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Solution

The fourth proportional to 11,117.12, 16,678.92 and 4,542.08 is: 6,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.12 : 16,678.92 = 4,542.08 : x
  2. Step 2: Convert to fraction form
    11,117.12/16,678.92 = 4,542.08/x
  3. Step 3: Cross multiply
    11,117.12x = 16,678.92 × 4,542.08
  4. Step 4: Simplify right side
    11,117.12x = 75,756,988.95
  5. Step 5: Solve for x
    x = 75,756,988.95/11,117.12
  6. Step 6: Final answer
    x = 6,814.44

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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.