Home / 14,438.26-21,648.48-5,669.20

Finding the Fourth Proportional to 14,438.26, 21,648.48 and 5,669.20

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Solution

The fourth proportional to 14,438.26, 21,648.48 and 5,669.20 is: 8,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.26 : 21,648.48 = 5,669.20 : x
  2. Step 2: Convert to fraction form
    14,438.26/21,648.48 = 5,669.20/x
  3. Step 3: Cross multiply
    14,438.26x = 21,648.48 × 5,669.20
  4. Step 4: Simplify right side
    14,438.26x = 122,729,562.82
  5. Step 5: Solve for x
    x = 122,729,562.82/14,438.26
  6. Step 6: Final answer
    x = 8,500.30

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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.