Home / 16,516.21-22,790.86-9,800.68

Finding the Fourth Proportional to 16,516.21, 22,790.86 and 9,800.68

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Solution

The fourth proportional to 16,516.21, 22,790.86 and 9,800.68 is: 13,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.21 : 22,790.86 = 9,800.68 : x
  2. Step 2: Convert to fraction form
    16,516.21/22,790.86 = 9,800.68/x
  3. Step 3: Cross multiply
    16,516.21x = 22,790.86 × 9,800.68
  4. Step 4: Simplify right side
    16,516.21x = 223,365,925.78
  5. Step 5: Solve for x
    x = 223,365,925.78/16,516.21
  6. Step 6: Final answer
    x = 13,524.04

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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.