Home / 14,224.34-21,339.24-5,458.56

Finding the Fourth Proportional to 14,224.34, 21,339.24 and 5,458.56

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Solution

The fourth proportional to 14,224.34, 21,339.24 and 5,458.56 is: 8,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.34 : 21,339.24 = 5,458.56 : x
  2. Step 2: Convert to fraction form
    14,224.34/21,339.24 = 5,458.56/x
  3. Step 3: Cross multiply
    14,224.34x = 21,339.24 × 5,458.56
  4. Step 4: Simplify right side
    14,224.34x = 116,481,521.89
  5. Step 5: Solve for x
    x = 116,481,521.89/14,224.34
  6. Step 6: Final answer
    x = 8,188.89

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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.