Home / 11,187.66-16,700.07-10,376.94

Finding the Fourth Proportional to 11,187.66, 16,700.07 and 10,376.94

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Solution

The fourth proportional to 11,187.66, 16,700.07 and 10,376.94 is: 15,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.66 : 16,700.07 = 10,376.94 : x
  2. Step 2: Convert to fraction form
    11,187.66/16,700.07 = 10,376.94/x
  3. Step 3: Cross multiply
    11,187.66x = 16,700.07 × 10,376.94
  4. Step 4: Simplify right side
    11,187.66x = 173,295,624.39
  5. Step 5: Solve for x
    x = 173,295,624.39/11,187.66
  6. Step 6: Final answer
    x = 15,489.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.