Home / 11,853.74-17,781.29-4,458.26

Finding the Fourth Proportional to 11,853.74, 17,781.29 and 4,458.26

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Solution

The fourth proportional to 11,853.74, 17,781.29 and 4,458.26 is: 6,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853.74 : 17,781.29 = 4,458.26 : x
  2. Step 2: Convert to fraction form
    11,853.74/17,781.29 = 4,458.26/x
  3. Step 3: Cross multiply
    11,853.74x = 17,781.29 × 4,458.26
  4. Step 4: Simplify right side
    11,853.74x = 79,273,502.76
  5. Step 5: Solve for x
    x = 79,273,502.76/11,853.74
  6. Step 6: Final answer
    x = 6,687.64

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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.