Home / 14,455.26-21,665.63-7,438.64

Finding the Fourth Proportional to 14,455.26, 21,665.63 and 7,438.64

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Solution

The fourth proportional to 14,455.26, 21,665.63 and 7,438.64 is: 11,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.26 : 21,665.63 = 7,438.64 : x
  2. Step 2: Convert to fraction form
    14,455.26/21,665.63 = 7,438.64/x
  3. Step 3: Cross multiply
    14,455.26x = 21,665.63 × 7,438.64
  4. Step 4: Simplify right side
    14,455.26x = 161,162,821.94
  5. Step 5: Solve for x
    x = 161,162,821.94/14,455.26
  6. Step 6: Final answer
    x = 11,149.08

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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.