Home / 11,962.80-16,508.50-6,657.62

Finding the Fourth Proportional to 11,962.80, 16,508.50 and 6,657.62

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Solution

The fourth proportional to 11,962.80, 16,508.50 and 6,657.62 is: 9,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.80 : 16,508.50 = 6,657.62 : x
  2. Step 2: Convert to fraction form
    11,962.80/16,508.50 = 6,657.62/x
  3. Step 3: Cross multiply
    11,962.80x = 16,508.50 × 6,657.62
  4. Step 4: Simplify right side
    11,962.80x = 109,907,271.89
  5. Step 5: Solve for x
    x = 109,907,271.89/11,962.80
  6. Step 6: Final answer
    x = 9,187.42

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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.