Home / 20,733.64-28,613.18-11,782.64

Finding the Fourth Proportional to 20,733.64, 28,613.18 and 11,782.64

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Solution

The fourth proportional to 20,733.64, 28,613.18 and 11,782.64 is: 16,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.64 : 28,613.18 = 11,782.64 : x
  2. Step 2: Convert to fraction form
    20,733.64/28,613.18 = 11,782.64/x
  3. Step 3: Cross multiply
    20,733.64x = 28,613.18 × 11,782.64
  4. Step 4: Simplify right side
    20,733.64x = 337,138,900.18
  5. Step 5: Solve for x
    x = 337,138,900.18/20,733.64
  6. Step 6: Final answer
    x = 16,260.48

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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.