Home / 20,364.43-30,560.49-11,007.32

Finding the Fourth Proportional to 20,364.43, 30,560.49 and 11,007.32

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Solution

The fourth proportional to 20,364.43, 30,560.49 and 11,007.32 is: 16,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.43 : 30,560.49 = 11,007.32 : x
  2. Step 2: Convert to fraction form
    20,364.43/30,560.49 = 11,007.32/x
  3. Step 3: Cross multiply
    20,364.43x = 30,560.49 × 11,007.32
  4. Step 4: Simplify right side
    20,364.43x = 336,389,037.75
  5. Step 5: Solve for x
    x = 336,389,037.75/20,364.43
  6. Step 6: Final answer
    x = 16,518.46

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1.5x scale

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.