Home / 11,962.80-16,508.88-6,658.02

Finding the Fourth Proportional to 11,962.80, 16,508.88 and 6,658.02

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Solution

The fourth proportional to 11,962.80, 16,508.88 and 6,658.02 is: 9,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.80 : 16,508.88 = 6,658.02 : x
  2. Step 2: Convert to fraction form
    11,962.80/16,508.88 = 6,658.02/x
  3. Step 3: Cross multiply
    11,962.80x = 16,508.88 × 6,658.02
  4. Step 4: Simplify right side
    11,962.80x = 109,916,453.22
  5. Step 5: Solve for x
    x = 109,916,453.22/11,962.80
  6. Step 6: Final answer
    x = 9,188.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.