Home / 14,162.39-21,231.16-5,391.47

Finding the Fourth Proportional to 14,162.39, 21,231.16 and 5,391.47

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Solution

The fourth proportional to 14,162.39, 21,231.16 and 5,391.47 is: 8,082.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.39 : 21,231.16 = 5,391.47 : x
  2. Step 2: Convert to fraction form
    14,162.39/21,231.16 = 5,391.47/x
  3. Step 3: Cross multiply
    14,162.39x = 21,231.16 × 5,391.47
  4. Step 4: Simplify right side
    14,162.39x = 114,467,162.21
  5. Step 5: Solve for x
    x = 114,467,162.21/14,162.39
  6. Step 6: Final answer
    x = 8,082.47

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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.