Home / 14,419.38-21,645.48-9,679.06

Finding the Fourth Proportional to 14,419.38, 21,645.48 and 9,679.06

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Solution

The fourth proportional to 14,419.38, 21,645.48 and 9,679.06 is: 14,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.38 : 21,645.48 = 9,679.06 : x
  2. Step 2: Convert to fraction form
    14,419.38/21,645.48 = 9,679.06/x
  3. Step 3: Cross multiply
    14,419.38x = 21,645.48 × 9,679.06
  4. Step 4: Simplify right side
    14,419.38x = 209,507,899.65
  5. Step 5: Solve for x
    x = 209,507,899.65/14,419.38
  6. Step 6: Final answer
    x = 14,529.61

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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.