Home / 14,640.57-21,964.50-5,756.49

Finding the Fourth Proportional to 14,640.57, 21,964.50 and 5,756.49

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Solution

The fourth proportional to 14,640.57, 21,964.50 and 5,756.49 is: 8,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.57 : 21,964.50 = 5,756.49 : x
  2. Step 2: Convert to fraction form
    14,640.57/21,964.50 = 5,756.49/x
  3. Step 3: Cross multiply
    14,640.57x = 21,964.50 × 5,756.49
  4. Step 4: Simplify right side
    14,640.57x = 126,438,424.61
  5. Step 5: Solve for x
    x = 126,438,424.61/14,640.57
  6. Step 6: Final answer
    x = 8,636.17

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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.