Home / 13,649.61-20,467.53-5,323.23

Finding the Fourth Proportional to 13,649.61, 20,467.53 and 5,323.23

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Solution

The fourth proportional to 13,649.61, 20,467.53 and 5,323.23 is: 7,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649.61 : 20,467.53 = 5,323.23 : x
  2. Step 2: Convert to fraction form
    13,649.61/20,467.53 = 5,323.23/x
  3. Step 3: Cross multiply
    13,649.61x = 20,467.53 × 5,323.23
  4. Step 4: Simplify right side
    13,649.61x = 108,953,369.72
  5. Step 5: Solve for x
    x = 108,953,369.72/13,649.61
  6. Step 6: Final answer
    x = 7,982.16

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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.