Home / 11,506.05-17,259.38-4,485.78

Finding the Fourth Proportional to 11,506.05, 17,259.38 and 4,485.78

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Solution

The fourth proportional to 11,506.05, 17,259.38 and 4,485.78 is: 6,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.05 : 17,259.38 = 4,485.78 : x
  2. Step 2: Convert to fraction form
    11,506.05/17,259.38 = 4,485.78/x
  3. Step 3: Cross multiply
    11,506.05x = 17,259.38 × 4,485.78
  4. Step 4: Simplify right side
    11,506.05x = 77,421,776.01
  5. Step 5: Solve for x
    x = 77,421,776.01/11,506.05
  6. Step 6: Final answer
    x = 6,728.79

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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.