Home / 11,078.24-16,619.38-6,690.47

Finding the Fourth Proportional to 11,078.24, 16,619.38 and 6,690.47

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Solution

The fourth proportional to 11,078.24, 16,619.38 and 6,690.47 is: 10,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.24 : 16,619.38 = 6,690.47 : x
  2. Step 2: Convert to fraction form
    11,078.24/16,619.38 = 6,690.47/x
  3. Step 3: Cross multiply
    11,078.24x = 16,619.38 × 6,690.47
  4. Step 4: Simplify right side
    11,078.24x = 111,191,363.49
  5. Step 5: Solve for x
    x = 111,191,363.49/11,078.24
  6. Step 6: Final answer
    x = 10,036.92

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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.