Home / 18,380.07-25,370.27-10,825.87

Finding the Fourth Proportional to 18,380.07, 25,370.27 and 10,825.87

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Solution

The fourth proportional to 18,380.07, 25,370.27 and 10,825.87 is: 14,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.07 : 25,370.27 = 10,825.87 : x
  2. Step 2: Convert to fraction form
    18,380.07/25,370.27 = 10,825.87/x
  3. Step 3: Cross multiply
    18,380.07x = 25,370.27 × 10,825.87
  4. Step 4: Simplify right side
    18,380.07x = 274,655,244.88
  5. Step 5: Solve for x
    x = 274,655,244.88/18,380.07
  6. Step 6: Final answer
    x = 14,943.10

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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.