Home / 9,561.36-13,201.56-6,382.20

Finding the Fourth Proportional to 9,561.36, 13,201.56 and 6,382.20

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Solution

The fourth proportional to 9,561.36, 13,201.56 and 6,382.20 is: 8,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.36 : 13,201.56 = 6,382.20 : x
  2. Step 2: Convert to fraction form
    9,561.36/13,201.56 = 6,382.20/x
  3. Step 3: Cross multiply
    9,561.36x = 13,201.56 × 6,382.20
  4. Step 4: Simplify right side
    9,561.36x = 84,254,996.23
  5. Step 5: Solve for x
    x = 84,254,996.23/9,561.36
  6. Step 6: Final answer
    x = 8,812.03

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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.