Home / 20,294.75-30,400.77-9,732.58

Finding the Fourth Proportional to 20,294.75, 30,400.77 and 9,732.58

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Solution

The fourth proportional to 20,294.75, 30,400.77 and 9,732.58 is: 14,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.75 : 30,400.77 = 9,732.58 : x
  2. Step 2: Convert to fraction form
    20,294.75/30,400.77 = 9,732.58/x
  3. Step 3: Cross multiply
    20,294.75x = 30,400.77 × 9,732.58
  4. Step 4: Simplify right side
    20,294.75x = 295,877,917.34
  5. Step 5: Solve for x
    x = 295,877,917.34/20,294.75
  6. Step 6: Final answer
    x = 14,579.04

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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.