Home / 11,976.58-16,489.74-10,555.03

Finding the Fourth Proportional to 11,976.58, 16,489.74 and 10,555.03

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Solution

The fourth proportional to 11,976.58, 16,489.74 and 10,555.03 is: 14,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.58 : 16,489.74 = 10,555.03 : x
  2. Step 2: Convert to fraction form
    11,976.58/16,489.74 = 10,555.03/x
  3. Step 3: Cross multiply
    11,976.58x = 16,489.74 × 10,555.03
  4. Step 4: Simplify right side
    11,976.58x = 174,049,700.39
  5. Step 5: Solve for x
    x = 174,049,700.39/11,976.58
  6. Step 6: Final answer
    x = 14,532.50

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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.