Home / 14,913.04-20,579.56-8,198.66

Finding the Fourth Proportional to 14,913.04, 20,579.56 and 8,198.66

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Solution

The fourth proportional to 14,913.04, 20,579.56 and 8,198.66 is: 11,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.04 : 20,579.56 = 8,198.66 : x
  2. Step 2: Convert to fraction form
    14,913.04/20,579.56 = 8,198.66/x
  3. Step 3: Cross multiply
    14,913.04x = 20,579.56 × 8,198.66
  4. Step 4: Simplify right side
    14,913.04x = 168,724,815.39
  5. Step 5: Solve for x
    x = 168,724,815.39/14,913.04
  6. Step 6: Final answer
    x = 11,313.91

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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.