Home / 18,606.18-27,908.91-5,458.26

Finding the Fourth Proportional to 18,606.18, 27,908.91 and 5,458.26

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Solution

The fourth proportional to 18,606.18, 27,908.91 and 5,458.26 is: 8,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.18 : 27,908.91 = 5,458.26 : x
  2. Step 2: Convert to fraction form
    18,606.18/27,908.91 = 5,458.26/x
  3. Step 3: Cross multiply
    18,606.18x = 27,908.91 × 5,458.26
  4. Step 4: Simplify right side
    18,606.18x = 152,334,087.10
  5. Step 5: Solve for x
    x = 152,334,087.10/18,606.18
  6. Step 6: Final answer
    x = 8,187.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.