Home / 14,249.28-21,385.44-7,325.76

Finding the Fourth Proportional to 14,249.28, 21,385.44 and 7,325.76

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Solution

The fourth proportional to 14,249.28, 21,385.44 and 7,325.76 is: 10,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.28 : 21,385.44 = 7,325.76 : x
  2. Step 2: Convert to fraction form
    14,249.28/21,385.44 = 7,325.76/x
  3. Step 3: Cross multiply
    14,249.28x = 21,385.44 × 7,325.76
  4. Step 4: Simplify right side
    14,249.28x = 156,664,600.93
  5. Step 5: Solve for x
    x = 156,664,600.93/14,249.28
  6. Step 6: Final answer
    x = 10,994.56

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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.