Home / 11,024.80-16,499.40-6,645.40

Finding the Fourth Proportional to 11,024.80, 16,499.40 and 6,645.40

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Solution

The fourth proportional to 11,024.80, 16,499.40 and 6,645.40 is: 9,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,024.80 : 16,499.40 = 6,645.40 : x
  2. Step 2: Convert to fraction form
    11,024.80/16,499.40 = 6,645.40/x
  3. Step 3: Cross multiply
    11,024.80x = 16,499.40 × 6,645.40
  4. Step 4: Simplify right side
    11,024.80x = 109,645,112.76
  5. Step 5: Solve for x
    x = 109,645,112.76/11,024.80
  6. Step 6: Final answer
    x = 9,945.32

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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.