Home / 14,439.03-21,609.25-12,101.68

Finding the Fourth Proportional to 14,439.03, 21,609.25 and 12,101.68

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Solution

The fourth proportional to 14,439.03, 21,609.25 and 12,101.68 is: 18,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.03 : 21,609.25 = 12,101.68 : x
  2. Step 2: Convert to fraction form
    14,439.03/21,609.25 = 12,101.68/x
  3. Step 3: Cross multiply
    14,439.03x = 21,609.25 × 12,101.68
  4. Step 4: Simplify right side
    14,439.03x = 261,508,144.26
  5. Step 5: Solve for x
    x = 261,508,144.26/14,439.03
  6. Step 6: Final answer
    x = 18,111.20

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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.