Home / 11,869.00-16,368.38-10,189.87

Finding the Fourth Proportional to 11,869.00, 16,368.38 and 10,189.87

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Solution

The fourth proportional to 11,869.00, 16,368.38 and 10,189.87 is: 14,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.00 : 16,368.38 = 10,189.87 : x
  2. Step 2: Convert to fraction form
    11,869.00/16,368.38 = 10,189.87/x
  3. Step 3: Cross multiply
    11,869.00x = 16,368.38 × 10,189.87
  4. Step 4: Simplify right side
    11,869.00x = 166,791,610.65
  5. Step 5: Solve for x
    x = 166,791,610.65/11,869.00
  6. Step 6: Final answer
    x = 14,052.71

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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.