Home / 15,438.96-23,169.58-5,579.24

Finding the Fourth Proportional to 15,438.96, 23,169.58 and 5,579.24

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Solution

The fourth proportional to 15,438.96, 23,169.58 and 5,579.24 is: 8,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.96 : 23,169.58 = 5,579.24 : x
  2. Step 2: Convert to fraction form
    15,438.96/23,169.58 = 5,579.24/x
  3. Step 3: Cross multiply
    15,438.96x = 23,169.58 × 5,579.24
  4. Step 4: Simplify right side
    15,438.96x = 129,268,647.52
  5. Step 5: Solve for x
    x = 129,268,647.52/15,438.96
  6. Step 6: Final answer
    x = 8,372.89

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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.