Home / 20,359.96-30,529.90-9,683.35

Finding the Fourth Proportional to 20,359.96, 30,529.90 and 9,683.35

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Solution

The fourth proportional to 20,359.96, 30,529.90 and 9,683.35 is: 14,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.96 : 30,529.90 = 9,683.35 : x
  2. Step 2: Convert to fraction form
    20,359.96/30,529.90 = 9,683.35/x
  3. Step 3: Cross multiply
    20,359.96x = 30,529.90 × 9,683.35
  4. Step 4: Simplify right side
    20,359.96x = 295,631,707.17
  5. Step 5: Solve for x
    x = 295,631,707.17/20,359.96
  6. Step 6: Final answer
    x = 14,520.25

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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.