Home / 18,823.56-28,241.18-11,335.35

Finding the Fourth Proportional to 18,823.56, 28,241.18 and 11,335.35

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Solution

The fourth proportional to 18,823.56, 28,241.18 and 11,335.35 is: 17,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.56 : 28,241.18 = 11,335.35 : x
  2. Step 2: Convert to fraction form
    18,823.56/28,241.18 = 11,335.35/x
  3. Step 3: Cross multiply
    18,823.56x = 28,241.18 × 11,335.35
  4. Step 4: Simplify right side
    18,823.56x = 320,123,603.04
  5. Step 5: Solve for x
    x = 320,123,603.04/18,823.56
  6. Step 6: Final answer
    x = 17,006.54

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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.