Home / 14,520.38-20,029.21-8,852.40

Finding the Fourth Proportional to 14,520.38, 20,029.21 and 8,852.40

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Solution

The fourth proportional to 14,520.38, 20,029.21 and 8,852.40 is: 12,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.38 : 20,029.21 = 8,852.40 : x
  2. Step 2: Convert to fraction form
    14,520.38/20,029.21 = 8,852.40/x
  3. Step 3: Cross multiply
    14,520.38x = 20,029.21 × 8,852.40
  4. Step 4: Simplify right side
    14,520.38x = 177,306,556.47
  5. Step 5: Solve for x
    x = 177,306,556.47/14,520.38
  6. Step 6: Final answer
    x = 12,210.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.