Home / 11,003.69-16,497.33-6,620.12

Finding the Fourth Proportional to 11,003.69, 16,497.33 and 6,620.12

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Solution

The fourth proportional to 11,003.69, 16,497.33 and 6,620.12 is: 9,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.69 : 16,497.33 = 6,620.12 : x
  2. Step 2: Convert to fraction form
    11,003.69/16,497.33 = 6,620.12/x
  3. Step 3: Cross multiply
    11,003.69x = 16,497.33 × 6,620.12
  4. Step 4: Simplify right side
    11,003.69x = 109,214,345.52
  5. Step 5: Solve for x
    x = 109,214,345.52/11,003.69
  6. Step 6: Final answer
    x = 9,925.25

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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.