Home / 18,249.56-25,184.43-9,866.06

Finding the Fourth Proportional to 18,249.56, 25,184.43 and 9,866.06

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Solution

The fourth proportional to 18,249.56, 25,184.43 and 9,866.06 is: 13,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.56 : 25,184.43 = 9,866.06 : x
  2. Step 2: Convert to fraction form
    18,249.56/25,184.43 = 9,866.06/x
  3. Step 3: Cross multiply
    18,249.56x = 25,184.43 × 9,866.06
  4. Step 4: Simplify right side
    18,249.56x = 248,471,160.41
  5. Step 5: Solve for x
    x = 248,471,160.41/18,249.56
  6. Step 6: Final answer
    x = 13,615.18

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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.