Home / 12,209.10-18,313.65-4,416.09

Finding the Fourth Proportional to 12,209.10, 18,313.65 and 4,416.09

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Solution

The fourth proportional to 12,209.10, 18,313.65 and 4,416.09 is: 6,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209.10 : 18,313.65 = 4,416.09 : x
  2. Step 2: Convert to fraction form
    12,209.10/18,313.65 = 4,416.09/x
  3. Step 3: Cross multiply
    12,209.10x = 18,313.65 × 4,416.09
  4. Step 4: Simplify right side
    12,209.10x = 80,874,726.63
  5. Step 5: Solve for x
    x = 80,874,726.63/12,209.10
  6. Step 6: Final answer
    x = 6,624.14

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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.