Home / 11,341.05-17,011.86-4,320.15

Finding the Fourth Proportional to 11,341.05, 17,011.86 and 4,320.15

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Solution

The fourth proportional to 11,341.05, 17,011.86 and 4,320.15 is: 6,480.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.05 : 17,011.86 = 4,320.15 : x
  2. Step 2: Convert to fraction form
    11,341.05/17,011.86 = 4,320.15/x
  3. Step 3: Cross multiply
    11,341.05x = 17,011.86 × 4,320.15
  4. Step 4: Simplify right side
    11,341.05x = 73,493,786.98
  5. Step 5: Solve for x
    x = 73,493,786.98/11,341.05
  6. Step 6: Final answer
    x = 6,480.33

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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.