Home / 11,767.74-17,646.90-5,189.25

Finding the Fourth Proportional to 11,767.74, 17,646.90 and 5,189.25

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Solution

The fourth proportional to 11,767.74, 17,646.90 and 5,189.25 is: 7,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.74 : 17,646.90 = 5,189.25 : x
  2. Step 2: Convert to fraction form
    11,767.74/17,646.90 = 5,189.25/x
  3. Step 3: Cross multiply
    11,767.74x = 17,646.90 × 5,189.25
  4. Step 4: Simplify right side
    11,767.74x = 91,574,175.83
  5. Step 5: Solve for x
    x = 91,574,175.83/11,767.74
  6. Step 6: Final answer
    x = 7,781.80

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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.