Home / 19,741.85-29,633.28-11,438.09

Finding the Fourth Proportional to 19,741.85, 29,633.28 and 11,438.09

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Solution

The fourth proportional to 19,741.85, 29,633.28 and 11,438.09 is: 17,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.85 : 29,633.28 = 11,438.09 : x
  2. Step 2: Convert to fraction form
    19,741.85/29,633.28 = 11,438.09/x
  3. Step 3: Cross multiply
    19,741.85x = 29,633.28 × 11,438.09
  4. Step 4: Simplify right side
    19,741.85x = 338,948,123.64
  5. Step 5: Solve for x
    x = 338,948,123.64/19,741.85
  6. Step 6: Final answer
    x = 17,169.02

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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.