Home / 18,359.34-27,540.63-6,669.42

Finding the Fourth Proportional to 18,359.34, 27,540.63 and 6,669.42

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Solution

The fourth proportional to 18,359.34, 27,540.63 and 6,669.42 is: 10,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.34 : 27,540.63 = 6,669.42 : x
  2. Step 2: Convert to fraction form
    18,359.34/27,540.63 = 6,669.42/x
  3. Step 3: Cross multiply
    18,359.34x = 27,540.63 × 6,669.42
  4. Step 4: Simplify right side
    18,359.34x = 183,680,028.53
  5. Step 5: Solve for x
    x = 183,680,028.53/18,359.34
  6. Step 6: Final answer
    x = 10,004.72

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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.