Home / 14,256.39-21,385.46-5,491.33

Finding the Fourth Proportional to 14,256.39, 21,385.46 and 5,491.33

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Solution

The fourth proportional to 14,256.39, 21,385.46 and 5,491.33 is: 8,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.39 : 21,385.46 = 5,491.33 : x
  2. Step 2: Convert to fraction form
    14,256.39/21,385.46 = 5,491.33/x
  3. Step 3: Cross multiply
    14,256.39x = 21,385.46 × 5,491.33
  4. Step 4: Simplify right side
    14,256.39x = 117,434,618.06
  5. Step 5: Solve for x
    x = 117,434,618.06/14,256.39
  6. Step 6: Final answer
    x = 8,237.33

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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.