Home / 20,253.84-30,366.18-12,446.52

Finding the Fourth Proportional to 20,253.84, 30,366.18 and 12,446.52

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Solution

The fourth proportional to 20,253.84, 30,366.18 and 12,446.52 is: 18,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.84 : 30,366.18 = 12,446.52 : x
  2. Step 2: Convert to fraction form
    20,253.84/30,366.18 = 12,446.52/x
  3. Step 3: Cross multiply
    20,253.84x = 30,366.18 × 12,446.52
  4. Step 4: Simplify right side
    20,253.84x = 377,953,266.69
  5. Step 5: Solve for x
    x = 377,953,266.69/20,253.84
  6. Step 6: Final answer
    x = 18,660.82

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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.