Home / 20,462.40-30,683.52-6,609.60

Finding the Fourth Proportional to 20,462.40, 30,683.52 and 6,609.60

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Solution

The fourth proportional to 20,462.40, 30,683.52 and 6,609.60 is: 9,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.40 : 30,683.52 = 6,609.60 : x
  2. Step 2: Convert to fraction form
    20,462.40/30,683.52 = 6,609.60/x
  3. Step 3: Cross multiply
    20,462.40x = 30,683.52 × 6,609.60
  4. Step 4: Simplify right side
    20,462.40x = 202,805,793.79
  5. Step 5: Solve for x
    x = 202,805,793.79/20,462.40
  6. Step 6: Final answer
    x = 9,911.14

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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.