Home / 10,212.73-15,308.20-5,820.73

Finding the Fourth Proportional to 10,212.73, 15,308.20 and 5,820.73

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Solution

The fourth proportional to 10,212.73, 15,308.20 and 5,820.73 is: 8,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.73 : 15,308.20 = 5,820.73 : x
  2. Step 2: Convert to fraction form
    10,212.73/15,308.20 = 5,820.73/x
  3. Step 3: Cross multiply
    10,212.73x = 15,308.20 × 5,820.73
  4. Step 4: Simplify right side
    10,212.73x = 89,104,898.99
  5. Step 5: Solve for x
    x = 89,104,898.99/10,212.73
  6. Step 6: Final answer
    x = 8,724.89

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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.