Home / 17,297.28-25,921.56-9,890.64

Finding the Fourth Proportional to 17,297.28, 25,921.56 and 9,890.64

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Solution

The fourth proportional to 17,297.28, 25,921.56 and 9,890.64 is: 14,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.28 : 25,921.56 = 9,890.64 : x
  2. Step 2: Convert to fraction form
    17,297.28/25,921.56 = 9,890.64/x
  3. Step 3: Cross multiply
    17,297.28x = 25,921.56 × 9,890.64
  4. Step 4: Simplify right side
    17,297.28x = 256,380,818.20
  5. Step 5: Solve for x
    x = 256,380,818.20/17,297.28
  6. Step 6: Final answer
    x = 14,822.03

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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.