Home / 13,909.23-20,827.66-11,682.94

Finding the Fourth Proportional to 13,909.23, 20,827.66 and 11,682.94

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Solution

The fourth proportional to 13,909.23, 20,827.66 and 11,682.94 is: 17,494.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.23 : 20,827.66 = 11,682.94 : x
  2. Step 2: Convert to fraction form
    13,909.23/20,827.66 = 11,682.94/x
  3. Step 3: Cross multiply
    13,909.23x = 20,827.66 × 11,682.94
  4. Step 4: Simplify right side
    13,909.23x = 243,328,302.12
  5. Step 5: Solve for x
    x = 243,328,302.12/13,909.23
  6. Step 6: Final answer
    x = 17,494.02

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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.