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Finding the Fourth Proportional to 17,216.64, 25,800.66 and 7,352.46

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Solution

The fourth proportional to 17,216.64, 25,800.66 and 7,352.46 is: 11,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,216.64 : 25,800.66 = 7,352.46 : x
  2. Step 2: Convert to fraction form
    17,216.64/25,800.66 = 7,352.46/x
  3. Step 3: Cross multiply
    17,216.64x = 25,800.66 × 7,352.46
  4. Step 4: Simplify right side
    17,216.64x = 189,698,320.62
  5. Step 5: Solve for x
    x = 189,698,320.62/17,216.64
  6. Step 6: Final answer
    x = 11,018.31

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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.