Home / 20,502.97-30,722.09-14,930.67

Finding the Fourth Proportional to 20,502.97, 30,722.09 and 14,930.67

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Solution

The fourth proportional to 20,502.97, 30,722.09 and 14,930.67 is: 22,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.97 : 30,722.09 = 14,930.67 : x
  2. Step 2: Convert to fraction form
    20,502.97/30,722.09 = 14,930.67/x
  3. Step 3: Cross multiply
    20,502.97x = 30,722.09 × 14,930.67
  4. Step 4: Simplify right side
    20,502.97x = 458,701,424.83
  5. Step 5: Solve for x
    x = 458,701,424.83/20,502.97
  6. Step 6: Final answer
    x = 22,372.44

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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.