Home / 16,385.80-24,578.20-4,540.30

Finding the Fourth Proportional to 16,385.80, 24,578.20 and 4,540.30

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Solution

The fourth proportional to 16,385.80, 24,578.20 and 4,540.30 is: 6,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.80 : 24,578.20 = 4,540.30 : x
  2. Step 2: Convert to fraction form
    16,385.80/24,578.20 = 4,540.30/x
  3. Step 3: Cross multiply
    16,385.80x = 24,578.20 × 4,540.30
  4. Step 4: Simplify right side
    16,385.80x = 111,592,401.46
  5. Step 5: Solve for x
    x = 111,592,401.46/16,385.80
  6. Step 6: Final answer
    x = 6,810.31

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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.