Home / 21,834.39-32,724.18-9,339.72

Finding the Fourth Proportional to 21,834.39, 32,724.18 and 9,339.72

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Solution

The fourth proportional to 21,834.39, 32,724.18 and 9,339.72 is: 13,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.39 : 32,724.18 = 9,339.72 : x
  2. Step 2: Convert to fraction form
    21,834.39/32,724.18 = 9,339.72/x
  3. Step 3: Cross multiply
    21,834.39x = 32,724.18 × 9,339.72
  4. Step 4: Simplify right side
    21,834.39x = 305,634,678.43
  5. Step 5: Solve for x
    x = 305,634,678.43/21,834.39
  6. Step 6: Final answer
    x = 13,997.86

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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.