Home / 12,589.22-17,366.58-7,551.02

Finding the Fourth Proportional to 12,589.22, 17,366.58 and 7,551.02

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Solution

The fourth proportional to 12,589.22, 17,366.58 and 7,551.02 is: 10,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.22 : 17,366.58 = 7,551.02 : x
  2. Step 2: Convert to fraction form
    12,589.22/17,366.58 = 7,551.02/x
  3. Step 3: Cross multiply
    12,589.22x = 17,366.58 × 7,551.02
  4. Step 4: Simplify right side
    12,589.22x = 131,135,392.91
  5. Step 5: Solve for x
    x = 131,135,392.91/12,589.22
  6. Step 6: Final answer
    x = 10,416.48

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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.