Home / 11,435.82-17,123.55-9,202.74

Finding the Fourth Proportional to 11,435.82, 17,123.55 and 9,202.74

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Solution

The fourth proportional to 11,435.82, 17,123.55 and 9,202.74 is: 13,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.82 : 17,123.55 = 9,202.74 : x
  2. Step 2: Convert to fraction form
    11,435.82/17,123.55 = 9,202.74/x
  3. Step 3: Cross multiply
    11,435.82x = 17,123.55 × 9,202.74
  4. Step 4: Simplify right side
    11,435.82x = 157,583,578.53
  5. Step 5: Solve for x
    x = 157,583,578.53/11,435.82
  6. Step 6: Final answer
    x = 13,779.82

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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.