Home / 14,425.40-21,644.80-5,537.78

Finding the Fourth Proportional to 14,425.40, 21,644.80 and 5,537.78

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Solution

The fourth proportional to 14,425.40, 21,644.80 and 5,537.78 is: 8,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.40 : 21,644.80 = 5,537.78 : x
  2. Step 2: Convert to fraction form
    14,425.40/21,644.80 = 5,537.78/x
  3. Step 3: Cross multiply
    14,425.40x = 21,644.80 × 5,537.78
  4. Step 4: Simplify right side
    14,425.40x = 119,864,140.54
  5. Step 5: Solve for x
    x = 119,864,140.54/14,425.40
  6. Step 6: Final answer
    x = 8,309.24

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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.