Home / 11,145.35-16,701.63-4,899.65

Finding the Fourth Proportional to 11,145.35, 16,701.63 and 4,899.65

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Solution

The fourth proportional to 11,145.35, 16,701.63 and 4,899.65 is: 7,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.35 : 16,701.63 = 4,899.65 : x
  2. Step 2: Convert to fraction form
    11,145.35/16,701.63 = 4,899.65/x
  3. Step 3: Cross multiply
    11,145.35x = 16,701.63 × 4,899.65
  4. Step 4: Simplify right side
    11,145.35x = 81,832,057.92
  5. Step 5: Solve for x
    x = 81,832,057.92/11,145.35
  6. Step 6: Final answer
    x = 7,342.26

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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.