Home / 18,560.45-25,615.26-10,603.88

Finding the Fourth Proportional to 18,560.45, 25,615.26 and 10,603.88

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Solution

The fourth proportional to 18,560.45, 25,615.26 and 10,603.88 is: 14,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.45 : 25,615.26 = 10,603.88 : x
  2. Step 2: Convert to fraction form
    18,560.45/25,615.26 = 10,603.88/x
  3. Step 3: Cross multiply
    18,560.45x = 25,615.26 × 10,603.88
  4. Step 4: Simplify right side
    18,560.45x = 271,621,143.21
  5. Step 5: Solve for x
    x = 271,621,143.21/18,560.45
  6. Step 6: Final answer
    x = 14,634.41

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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.