Home / 14,361.28-21,559.20-8,555.20

Finding the Fourth Proportional to 14,361.28, 21,559.20 and 8,555.20

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Solution

The fourth proportional to 14,361.28, 21,559.20 and 8,555.20 is: 12,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.28 : 21,559.20 = 8,555.20 : x
  2. Step 2: Convert to fraction form
    14,361.28/21,559.20 = 8,555.20/x
  3. Step 3: Cross multiply
    14,361.28x = 21,559.20 × 8,555.20
  4. Step 4: Simplify right side
    14,361.28x = 184,443,267.84
  5. Step 5: Solve for x
    x = 184,443,267.84/14,361.28
  6. Step 6: Final answer
    x = 12,843.09

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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.