Home / 18,655.20-25,736.06-10,695.60

Finding the Fourth Proportional to 18,655.20, 25,736.06 and 10,695.60

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Solution

The fourth proportional to 18,655.20, 25,736.06 and 10,695.60 is: 14,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.20 : 25,736.06 = 10,695.60 : x
  2. Step 2: Convert to fraction form
    18,655.20/25,736.06 = 10,695.60/x
  3. Step 3: Cross multiply
    18,655.20x = 25,736.06 × 10,695.60
  4. Step 4: Simplify right side
    18,655.20x = 275,262,603.34
  5. Step 5: Solve for x
    x = 275,262,603.34/18,655.20
  6. Step 6: Final answer
    x = 14,755.27

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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.