Home / 11,189.93-16,784.01-6,506.95

Finding the Fourth Proportional to 11,189.93, 16,784.01 and 6,506.95

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Solution

The fourth proportional to 11,189.93, 16,784.01 and 6,506.95 is: 9,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.93 : 16,784.01 = 6,506.95 : x
  2. Step 2: Convert to fraction form
    11,189.93/16,784.01 = 6,506.95/x
  3. Step 3: Cross multiply
    11,189.93x = 16,784.01 × 6,506.95
  4. Step 4: Simplify right side
    11,189.93x = 109,212,671.91
  5. Step 5: Solve for x
    x = 109,212,671.91/11,189.93
  6. Step 6: Final answer
    x = 9,759.90

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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.