Home / 12,114.30-18,176.85-5,537.10

Finding the Fourth Proportional to 12,114.30, 18,176.85 and 5,537.10

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Solution

The fourth proportional to 12,114.30, 18,176.85 and 5,537.10 is: 8,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.30 : 18,176.85 = 5,537.10 : x
  2. Step 2: Convert to fraction form
    12,114.30/18,176.85 = 5,537.10/x
  3. Step 3: Cross multiply
    12,114.30x = 18,176.85 × 5,537.10
  4. Step 4: Simplify right side
    12,114.30x = 100,647,036.14
  5. Step 5: Solve for x
    x = 100,647,036.14/12,114.30
  6. Step 6: Final answer
    x = 8,308.12

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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.