Home / 18,328.38-27,495.26-6,638.86

Finding the Fourth Proportional to 18,328.38, 27,495.26 and 6,638.86

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Solution

The fourth proportional to 18,328.38, 27,495.26 and 6,638.86 is: 9,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.38 : 27,495.26 = 6,638.86 : x
  2. Step 2: Convert to fraction form
    18,328.38/27,495.26 = 6,638.86/x
  3. Step 3: Cross multiply
    18,328.38x = 27,495.26 × 6,638.86
  4. Step 4: Simplify right side
    18,328.38x = 182,537,181.80
  5. Step 5: Solve for x
    x = 182,537,181.80/18,328.38
  6. Step 6: Final answer
    x = 9,959.26

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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.