Home / 14,282.06-21,420.98-8,361.68

Finding the Fourth Proportional to 14,282.06, 21,420.98 and 8,361.68

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Solution

The fourth proportional to 14,282.06, 21,420.98 and 8,361.68 is: 12,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.06 : 21,420.98 = 8,361.68 : x
  2. Step 2: Convert to fraction form
    14,282.06/21,420.98 = 8,361.68/x
  3. Step 3: Cross multiply
    14,282.06x = 21,420.98 × 8,361.68
  4. Step 4: Simplify right side
    14,282.06x = 179,115,380.05
  5. Step 5: Solve for x
    x = 179,115,380.05/14,282.06
  6. Step 6: Final answer
    x = 12,541.28

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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.