Home / 19,318.64-28,987.16-9,452.52

Finding the Fourth Proportional to 19,318.64, 28,987.16 and 9,452.52

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Solution

The fourth proportional to 19,318.64, 28,987.16 and 9,452.52 is: 14,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.64 : 28,987.16 = 9,452.52 : x
  2. Step 2: Convert to fraction form
    19,318.64/28,987.16 = 9,452.52/x
  3. Step 3: Cross multiply
    19,318.64x = 28,987.16 × 9,452.52
  4. Step 4: Simplify right side
    19,318.64x = 274,001,709.64
  5. Step 5: Solve for x
    x = 274,001,709.64/19,318.64
  6. Step 6: Final answer
    x = 14,183.28

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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.