Home / 16,945.38-23,382.41-9,775.56

Finding the Fourth Proportional to 16,945.38, 23,382.41 and 9,775.56

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Solution

The fourth proportional to 16,945.38, 23,382.41 and 9,775.56 is: 13,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.38 : 23,382.41 = 9,775.56 : x
  2. Step 2: Convert to fraction form
    16,945.38/23,382.41 = 9,775.56/x
  3. Step 3: Cross multiply
    16,945.38x = 23,382.41 × 9,775.56
  4. Step 4: Simplify right side
    16,945.38x = 228,576,190.71
  5. Step 5: Solve for x
    x = 228,576,190.71/16,945.38
  6. Step 6: Final answer
    x = 13,489.00

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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.