Home / 17,748.74-26,629.38-7,887.12

Finding the Fourth Proportional to 17,748.74, 26,629.38 and 7,887.12

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Solution

The fourth proportional to 17,748.74, 26,629.38 and 7,887.12 is: 11,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.74 : 26,629.38 = 7,887.12 : x
  2. Step 2: Convert to fraction form
    17,748.74/26,629.38 = 7,887.12/x
  3. Step 3: Cross multiply
    17,748.74x = 26,629.38 × 7,887.12
  4. Step 4: Simplify right side
    17,748.74x = 210,029,115.59
  5. Step 5: Solve for x
    x = 210,029,115.59/17,748.74
  6. Step 6: Final answer
    x = 11,833.47

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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.