Home / 11,035.80-16,515.90-6,656.40

Finding the Fourth Proportional to 11,035.80, 16,515.90 and 6,656.40

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Solution

The fourth proportional to 11,035.80, 16,515.90 and 6,656.40 is: 9,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.80 : 16,515.90 = 6,656.40 : x
  2. Step 2: Convert to fraction form
    11,035.80/16,515.90 = 6,656.40/x
  3. Step 3: Cross multiply
    11,035.80x = 16,515.90 × 6,656.40
  4. Step 4: Simplify right side
    11,035.80x = 109,936,436.76
  5. Step 5: Solve for x
    x = 109,936,436.76/11,035.80
  6. Step 6: Final answer
    x = 9,961.80

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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.