Home / 14,484.45-21,727.08-5,123.15

Finding the Fourth Proportional to 14,484.45, 21,727.08 and 5,123.15

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Solution

The fourth proportional to 14,484.45, 21,727.08 and 5,123.15 is: 7,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.45 : 21,727.08 = 5,123.15 : x
  2. Step 2: Convert to fraction form
    14,484.45/21,727.08 = 5,123.15/x
  3. Step 3: Cross multiply
    14,484.45x = 21,727.08 × 5,123.15
  4. Step 4: Simplify right side
    14,484.45x = 111,310,981.27
  5. Step 5: Solve for x
    x = 111,310,981.27/14,484.45
  6. Step 6: Final answer
    x = 7,684.86

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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.