Home / 17,621.79-24,350.26-12,833.40

Finding the Fourth Proportional to 17,621.79, 24,350.26 and 12,833.40

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Solution

The fourth proportional to 17,621.79, 24,350.26 and 12,833.40 is: 17,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.79 : 24,350.26 = 12,833.40 : x
  2. Step 2: Convert to fraction form
    17,621.79/24,350.26 = 12,833.40/x
  3. Step 3: Cross multiply
    17,621.79x = 24,350.26 × 12,833.40
  4. Step 4: Simplify right side
    17,621.79x = 312,496,540.62
  5. Step 5: Solve for x
    x = 312,496,540.62/17,621.79
  6. Step 6: Final answer
    x = 17,733.53

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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.