Home / 16,012.79-22,097.64-8,939.21

Finding the Fourth Proportional to 16,012.79, 22,097.64 and 8,939.21

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Solution

The fourth proportional to 16,012.79, 22,097.64 and 8,939.21 is: 12,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,012.79 : 22,097.64 = 8,939.21 : x
  2. Step 2: Convert to fraction form
    16,012.79/22,097.64 = 8,939.21/x
  3. Step 3: Cross multiply
    16,012.79x = 22,097.64 × 8,939.21
  4. Step 4: Simplify right side
    16,012.79x = 197,535,367.50
  5. Step 5: Solve for x
    x = 197,535,367.50/16,012.79
  6. Step 6: Final answer
    x = 12,336.10

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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.