Home / 17,913.72-24,720.48-9,956.64

Finding the Fourth Proportional to 17,913.72, 24,720.48 and 9,956.64

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Solution

The fourth proportional to 17,913.72, 24,720.48 and 9,956.64 is: 13,739.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.72 : 24,720.48 = 9,956.64 : x
  2. Step 2: Convert to fraction form
    17,913.72/24,720.48 = 9,956.64/x
  3. Step 3: Cross multiply
    17,913.72x = 24,720.48 × 9,956.64
  4. Step 4: Simplify right side
    17,913.72x = 246,132,919.99
  5. Step 5: Solve for x
    x = 246,132,919.99/17,913.72
  6. Step 6: Final answer
    x = 13,739.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.