Home / 18,321.77-25,284.00-9,938.27

Finding the Fourth Proportional to 18,321.77, 25,284.00 and 9,938.27

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Solution

The fourth proportional to 18,321.77, 25,284.00 and 9,938.27 is: 13,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.77 : 25,284.00 = 9,938.27 : x
  2. Step 2: Convert to fraction form
    18,321.77/25,284.00 = 9,938.27/x
  3. Step 3: Cross multiply
    18,321.77x = 25,284.00 × 9,938.27
  4. Step 4: Simplify right side
    18,321.77x = 251,279,319.16
  5. Step 5: Solve for x
    x = 251,279,319.16/18,321.77
  6. Step 6: Final answer
    x = 13,714.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.