Home / 9,858.64-13,604.68-5,382.56

Finding the Fourth Proportional to 9,858.64, 13,604.68 and 5,382.56

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Solution

The fourth proportional to 9,858.64, 13,604.68 and 5,382.56 is: 7,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.64 : 13,604.68 = 5,382.56 : x
  2. Step 2: Convert to fraction form
    9,858.64/13,604.68 = 5,382.56/x
  3. Step 3: Cross multiply
    9,858.64x = 13,604.68 × 5,382.56
  4. Step 4: Simplify right side
    9,858.64x = 73,228,006.38
  5. Step 5: Solve for x
    x = 73,228,006.38/9,858.64
  6. Step 6: Final answer
    x = 7,427.80

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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.