Home / 23,489.94-32,415.46-13,418.18

Finding the Fourth Proportional to 23,489.94, 32,415.46 and 13,418.18

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Solution

The fourth proportional to 23,489.94, 32,415.46 and 13,418.18 is: 18,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.94 : 32,415.46 = 13,418.18 : x
  2. Step 2: Convert to fraction form
    23,489.94/32,415.46 = 13,418.18/x
  3. Step 3: Cross multiply
    23,489.94x = 32,415.46 × 13,418.18
  4. Step 4: Simplify right side
    23,489.94x = 434,956,281.44
  5. Step 5: Solve for x
    x = 434,956,281.44/23,489.94
  6. Step 6: Final answer
    x = 18,516.70

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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.