Home / 11,809.11-17,698.55-5,555.28

Finding the Fourth Proportional to 11,809.11, 17,698.55 and 5,555.28

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Solution

The fourth proportional to 11,809.11, 17,698.55 and 5,555.28 is: 8,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.11 : 17,698.55 = 5,555.28 : x
  2. Step 2: Convert to fraction form
    11,809.11/17,698.55 = 5,555.28/x
  3. Step 3: Cross multiply
    11,809.11x = 17,698.55 × 5,555.28
  4. Step 4: Simplify right side
    11,809.11x = 98,320,373.07
  5. Step 5: Solve for x
    x = 98,320,373.07/11,809.11
  6. Step 6: Final answer
    x = 8,325.81

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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.