Home / 10,201.38-15,289.76-5,268.32

Finding the Fourth Proportional to 10,201.38, 15,289.76 and 5,268.32

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Solution

The fourth proportional to 10,201.38, 15,289.76 and 5,268.32 is: 7,896.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.38 : 15,289.76 = 5,268.32 : x
  2. Step 2: Convert to fraction form
    10,201.38/15,289.76 = 5,268.32/x
  3. Step 3: Cross multiply
    10,201.38x = 15,289.76 × 5,268.32
  4. Step 4: Simplify right side
    10,201.38x = 80,551,348.40
  5. Step 5: Solve for x
    x = 80,551,348.40/10,201.38
  6. Step 6: Final answer
    x = 7,896.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.