Home / 14,126.79-21,181.98-5,356.92

Finding the Fourth Proportional to 14,126.79, 21,181.98 and 5,356.92

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Solution

The fourth proportional to 14,126.79, 21,181.98 and 5,356.92 is: 8,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.79 : 21,181.98 = 5,356.92 : x
  2. Step 2: Convert to fraction form
    14,126.79/21,181.98 = 5,356.92/x
  3. Step 3: Cross multiply
    14,126.79x = 21,181.98 × 5,356.92
  4. Step 4: Simplify right side
    14,126.79x = 113,470,172.30
  5. Step 5: Solve for x
    x = 113,470,172.30/14,126.79
  6. Step 6: Final answer
    x = 8,032.27

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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.