Home / 14,483.38-21,726.77-5,121.47

Finding the Fourth Proportional to 14,483.38, 21,726.77 and 5,121.47

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Solution

The fourth proportional to 14,483.38, 21,726.77 and 5,121.47 is: 7,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.38 : 21,726.77 = 5,121.47 : x
  2. Step 2: Convert to fraction form
    14,483.38/21,726.77 = 5,121.47/x
  3. Step 3: Cross multiply
    14,483.38x = 21,726.77 × 5,121.47
  4. Step 4: Simplify right side
    14,483.38x = 111,273,000.75
  5. Step 5: Solve for x
    x = 111,273,000.75/14,483.38
  6. Step 6: Final answer
    x = 7,682.81

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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.