Home / 11,318.01-16,900.78-9,242.06

Finding the Fourth Proportional to 11,318.01, 16,900.78 and 9,242.06

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Solution

The fourth proportional to 11,318.01, 16,900.78 and 9,242.06 is: 13,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.01 : 16,900.78 = 9,242.06 : x
  2. Step 2: Convert to fraction form
    11,318.01/16,900.78 = 9,242.06/x
  3. Step 3: Cross multiply
    11,318.01x = 16,900.78 × 9,242.06
  4. Step 4: Simplify right side
    11,318.01x = 156,198,053.59
  5. Step 5: Solve for x
    x = 156,198,053.59/11,318.01
  6. Step 6: Final answer
    x = 13,800.85

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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.