Home / 10,961.80-16,404.90-6,582.40

Finding the Fourth Proportional to 10,961.80, 16,404.90 and 6,582.40

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Solution

The fourth proportional to 10,961.80, 16,404.90 and 6,582.40 is: 9,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.80 : 16,404.90 = 6,582.40 : x
  2. Step 2: Convert to fraction form
    10,961.80/16,404.90 = 6,582.40/x
  3. Step 3: Cross multiply
    10,961.80x = 16,404.90 × 6,582.40
  4. Step 4: Simplify right side
    10,961.80x = 107,983,613.76
  5. Step 5: Solve for x
    x = 107,983,613.76/10,961.80
  6. Step 6: Final answer
    x = 9,850.90

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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.