Home / 14,942.53-20,620.51-8,228.02

Finding the Fourth Proportional to 14,942.53, 20,620.51 and 8,228.02

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Solution

The fourth proportional to 14,942.53, 20,620.51 and 8,228.02 is: 11,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.53 : 20,620.51 = 8,228.02 : x
  2. Step 2: Convert to fraction form
    14,942.53/20,620.51 = 8,228.02/x
  3. Step 3: Cross multiply
    14,942.53x = 20,620.51 × 8,228.02
  4. Step 4: Simplify right side
    14,942.53x = 169,665,968.69
  5. Step 5: Solve for x
    x = 169,665,968.69/14,942.53
  6. Step 6: Final answer
    x = 11,354.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.