Home / 19,773.45-27,286.53-11,820.06

Finding the Fourth Proportional to 19,773.45, 27,286.53 and 11,820.06

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Solution

The fourth proportional to 19,773.45, 27,286.53 and 11,820.06 is: 16,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.45 : 27,286.53 = 11,820.06 : x
  2. Step 2: Convert to fraction form
    19,773.45/27,286.53 = 11,820.06/x
  3. Step 3: Cross multiply
    19,773.45x = 27,286.53 × 11,820.06
  4. Step 4: Simplify right side
    19,773.45x = 322,528,421.79
  5. Step 5: Solve for x
    x = 322,528,421.79/19,773.45
  6. Step 6: Final answer
    x = 16,311.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.