Home / 13,789.42-20,683.67-7,552.37

Finding the Fourth Proportional to 13,789.42, 20,683.67 and 7,552.37

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Solution

The fourth proportional to 13,789.42, 20,683.67 and 7,552.37 is: 11,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.42 : 20,683.67 = 7,552.37 : x
  2. Step 2: Convert to fraction form
    13,789.42/20,683.67 = 7,552.37/x
  3. Step 3: Cross multiply
    13,789.42x = 20,683.67 × 7,552.37
  4. Step 4: Simplify right side
    13,789.42x = 156,210,742.75
  5. Step 5: Solve for x
    x = 156,210,742.75/13,789.42
  6. Step 6: Final answer
    x = 11,328.31

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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.