Home / 19,579.23-29,372.55-6,435.36

Finding the Fourth Proportional to 19,579.23, 29,372.55 and 6,435.36

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Solution

The fourth proportional to 19,579.23, 29,372.55 and 6,435.36 is: 9,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.23 : 29,372.55 = 6,435.36 : x
  2. Step 2: Convert to fraction form
    19,579.23/29,372.55 = 6,435.36/x
  3. Step 3: Cross multiply
    19,579.23x = 29,372.55 × 6,435.36
  4. Step 4: Simplify right side
    19,579.23x = 189,022,933.37
  5. Step 5: Solve for x
    x = 189,022,933.37/19,579.23
  6. Step 6: Final answer
    x = 9,654.26

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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.