Home / 12,452.10-18,624.15-11,145.30

Finding the Fourth Proportional to 12,452.10, 18,624.15 and 11,145.30

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Solution

The fourth proportional to 12,452.10, 18,624.15 and 11,145.30 is: 16,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.10 : 18,624.15 = 11,145.30 : x
  2. Step 2: Convert to fraction form
    12,452.10/18,624.15 = 11,145.30/x
  3. Step 3: Cross multiply
    12,452.10x = 18,624.15 × 11,145.30
  4. Step 4: Simplify right side
    12,452.10x = 207,571,739.00
  5. Step 5: Solve for x
    x = 207,571,739.00/12,452.10
  6. Step 6: Final answer
    x = 16,669.62

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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.