Home / 20,327.33-30,473.46-7,856.10

Finding the Fourth Proportional to 20,327.33, 30,473.46 and 7,856.10

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Solution

The fourth proportional to 20,327.33, 30,473.46 and 7,856.10 is: 11,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.33 : 30,473.46 = 7,856.10 : x
  2. Step 2: Convert to fraction form
    20,327.33/30,473.46 = 7,856.10/x
  3. Step 3: Cross multiply
    20,327.33x = 30,473.46 × 7,856.10
  4. Step 4: Simplify right side
    20,327.33x = 239,402,549.11
  5. Step 5: Solve for x
    x = 239,402,549.11/20,327.33
  6. Step 6: Final answer
    x = 11,777.38

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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.