Home / 18,316.86-27,439.29-9,540.06

Finding the Fourth Proportional to 18,316.86, 27,439.29 and 9,540.06

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Solution

The fourth proportional to 18,316.86, 27,439.29 and 9,540.06 is: 14,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.86 : 27,439.29 = 9,540.06 : x
  2. Step 2: Convert to fraction form
    18,316.86/27,439.29 = 9,540.06/x
  3. Step 3: Cross multiply
    18,316.86x = 27,439.29 × 9,540.06
  4. Step 4: Simplify right side
    18,316.86x = 261,772,472.96
  5. Step 5: Solve for x
    x = 261,772,472.96/18,316.86
  6. Step 6: Final answer
    x = 14,291.34

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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.