Home / 14,114.82-21,172.25-4,256.92

Finding the Fourth Proportional to 14,114.82, 21,172.25 and 4,256.92

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Solution

The fourth proportional to 14,114.82, 21,172.25 and 4,256.92 is: 6,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.82 : 21,172.25 = 4,256.92 : x
  2. Step 2: Convert to fraction form
    14,114.82/21,172.25 = 4,256.92/x
  3. Step 3: Cross multiply
    14,114.82x = 21,172.25 × 4,256.92
  4. Step 4: Simplify right side
    14,114.82x = 90,128,532.18
  5. Step 5: Solve for x
    x = 90,128,532.18/14,114.82
  6. Step 6: Final answer
    x = 6,385.38

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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.