Home / 20,262.69-30,392.20-14,364.85

Finding the Fourth Proportional to 20,262.69, 30,392.20 and 14,364.85

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Solution

The fourth proportional to 20,262.69, 30,392.20 and 14,364.85 is: 21,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.69 : 30,392.20 = 14,364.85 : x
  2. Step 2: Convert to fraction form
    20,262.69/30,392.20 = 14,364.85/x
  3. Step 3: Cross multiply
    20,262.69x = 30,392.20 × 14,364.85
  4. Step 4: Simplify right side
    20,262.69x = 436,579,354.10
  5. Step 5: Solve for x
    x = 436,579,354.10/20,262.69
  6. Step 6: Final answer
    x = 21,545.98

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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.