Home / 14,440.84-21,640.72-6,425.80

Finding the Fourth Proportional to 14,440.84, 21,640.72 and 6,425.80

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Solution

The fourth proportional to 14,440.84, 21,640.72 and 6,425.80 is: 9,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.84 : 21,640.72 = 6,425.80 : x
  2. Step 2: Convert to fraction form
    14,440.84/21,640.72 = 6,425.80/x
  3. Step 3: Cross multiply
    14,440.84x = 21,640.72 × 6,425.80
  4. Step 4: Simplify right side
    14,440.84x = 139,058,938.58
  5. Step 5: Solve for x
    x = 139,058,938.58/14,440.84
  6. Step 6: Final answer
    x = 9,629.56

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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.