Home / 18,215.19-27,316.20-6,365.64

Finding the Fourth Proportional to 18,215.19, 27,316.20 and 6,365.64

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Solution

The fourth proportional to 18,215.19, 27,316.20 and 6,365.64 is: 9,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.19 : 27,316.20 = 6,365.64 : x
  2. Step 2: Convert to fraction form
    18,215.19/27,316.20 = 6,365.64/x
  3. Step 3: Cross multiply
    18,215.19x = 27,316.20 × 6,365.64
  4. Step 4: Simplify right side
    18,215.19x = 173,885,095.37
  5. Step 5: Solve for x
    x = 173,885,095.37/18,215.19
  6. Step 6: Final answer
    x = 9,546.16

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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.