Home / 18,317.02-25,278.84-10,251.48

Finding the Fourth Proportional to 18,317.02, 25,278.84 and 10,251.48

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Solution

The fourth proportional to 18,317.02, 25,278.84 and 10,251.48 is: 14,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.02 : 25,278.84 = 10,251.48 : x
  2. Step 2: Convert to fraction form
    18,317.02/25,278.84 = 10,251.48/x
  3. Step 3: Cross multiply
    18,317.02x = 25,278.84 × 10,251.48
  4. Step 4: Simplify right side
    18,317.02x = 259,145,522.68
  5. Step 5: Solve for x
    x = 259,145,522.68/18,317.02
  6. Step 6: Final answer
    x = 14,147.80

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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.