Home / 14,103.40-21,146.46-5,334.76

Finding the Fourth Proportional to 14,103.40, 21,146.46 and 5,334.76

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Solution

The fourth proportional to 14,103.40, 21,146.46 and 5,334.76 is: 7,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.40 : 21,146.46 = 5,334.76 : x
  2. Step 2: Convert to fraction form
    14,103.40/21,146.46 = 5,334.76/x
  3. Step 3: Cross multiply
    14,103.40x = 21,146.46 × 5,334.76
  4. Step 4: Simplify right side
    14,103.40x = 112,811,288.95
  5. Step 5: Solve for x
    x = 112,811,288.95/14,103.40
  6. Step 6: Final answer
    x = 7,998.87

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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.