Home / 20,357.93-30,529.69-9,683.03

Finding the Fourth Proportional to 20,357.93, 30,529.69 and 9,683.03

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Solution

The fourth proportional to 20,357.93, 30,529.69 and 9,683.03 is: 14,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.93 : 30,529.69 = 9,683.03 : x
  2. Step 2: Convert to fraction form
    20,357.93/30,529.69 = 9,683.03/x
  3. Step 3: Cross multiply
    20,357.93x = 30,529.69 × 9,683.03
  4. Step 4: Simplify right side
    20,357.93x = 295,619,727.30
  5. Step 5: Solve for x
    x = 295,619,727.30/20,357.93
  6. Step 6: Final answer
    x = 14,521.11

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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.