Home / 17,919.65-24,727.74-9,961.40

Finding the Fourth Proportional to 17,919.65, 24,727.74 and 9,961.40

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Solution

The fourth proportional to 17,919.65, 24,727.74 and 9,961.40 is: 13,745.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.65 : 24,727.74 = 9,961.40 : x
  2. Step 2: Convert to fraction form
    17,919.65/24,727.74 = 9,961.40/x
  3. Step 3: Cross multiply
    17,919.65x = 24,727.74 × 9,961.40
  4. Step 4: Simplify right side
    17,919.65x = 246,322,909.24
  5. Step 5: Solve for x
    x = 246,322,909.24/17,919.65
  6. Step 6: Final answer
    x = 13,745.97

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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.