Home / 17,291.28-25,912.56-9,884.64

Finding the Fourth Proportional to 17,291.28, 25,912.56 and 9,884.64

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Solution

The fourth proportional to 17,291.28, 25,912.56 and 9,884.64 is: 14,813.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.28 : 25,912.56 = 9,884.64 : x
  2. Step 2: Convert to fraction form
    17,291.28/25,912.56 = 9,884.64/x
  3. Step 3: Cross multiply
    17,291.28x = 25,912.56 × 9,884.64
  4. Step 4: Simplify right side
    17,291.28x = 256,136,327.08
  5. Step 5: Solve for x
    x = 256,136,327.08/17,291.28
  6. Step 6: Final answer
    x = 14,813.03

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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.