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Finding the Fourth Proportional to 17,150.40, 25,747.20 and 9,259.20

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Solution

The fourth proportional to 17,150.40, 25,747.20 and 9,259.20 is: 13,900.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,150.40 : 25,747.20 = 9,259.20 : x
  2. Step 2: Convert to fraction form
    17,150.40/25,747.20 = 9,259.20/x
  3. Step 3: Cross multiply
    17,150.40x = 25,747.20 × 9,259.20
  4. Step 4: Simplify right side
    17,150.40x = 238,398,474.24
  5. Step 5: Solve for x
    x = 238,398,474.24/17,150.40
  6. Step 6: Final answer
    x = 13,900.46

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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.