Home / 20,364.30-30,551.23-6,323.61

Finding the Fourth Proportional to 20,364.30, 30,551.23 and 6,323.61

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Solution

The fourth proportional to 20,364.30, 30,551.23 and 6,323.61 is: 9,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.30 : 30,551.23 = 6,323.61 : x
  2. Step 2: Convert to fraction form
    20,364.30/30,551.23 = 6,323.61/x
  3. Step 3: Cross multiply
    20,364.30x = 30,551.23 × 6,323.61
  4. Step 4: Simplify right side
    20,364.30x = 193,193,894.98
  5. Step 5: Solve for x
    x = 193,193,894.98/20,364.30
  6. Step 6: Final answer
    x = 9,486.89

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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.