Home / 9,612.72-14,418.88-2,687.04

Finding the Fourth Proportional to 9,612.72, 14,418.88 and 2,687.04

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Solution

The fourth proportional to 9,612.72, 14,418.88 and 2,687.04 is: 4,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.72 : 14,418.88 = 2,687.04 : x
  2. Step 2: Convert to fraction form
    9,612.72/14,418.88 = 2,687.04/x
  3. Step 3: Cross multiply
    9,612.72x = 14,418.88 × 2,687.04
  4. Step 4: Simplify right side
    9,612.72x = 38,744,107.32
  5. Step 5: Solve for x
    x = 38,744,107.32/9,612.72
  6. Step 6: Final answer
    x = 4,030.50

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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.