Home / 13,683.93-20,525.68-7,442.47

Finding the Fourth Proportional to 13,683.93, 20,525.68 and 7,442.47

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Solution

The fourth proportional to 13,683.93, 20,525.68 and 7,442.47 is: 11,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.93 : 20,525.68 = 7,442.47 : x
  2. Step 2: Convert to fraction form
    13,683.93/20,525.68 = 7,442.47/x
  3. Step 3: Cross multiply
    13,683.93x = 20,525.68 × 7,442.47
  4. Step 4: Simplify right side
    13,683.93x = 152,761,757.63
  5. Step 5: Solve for x
    x = 152,761,757.63/13,683.93
  6. Step 6: Final answer
    x = 11,163.59

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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.