Home / 16,820.09-25,230.83-6,289.04

Finding the Fourth Proportional to 16,820.09, 25,230.83 and 6,289.04

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Solution

The fourth proportional to 16,820.09, 25,230.83 and 6,289.04 is: 9,433.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.09 : 25,230.83 = 6,289.04 : x
  2. Step 2: Convert to fraction form
    16,820.09/25,230.83 = 6,289.04/x
  3. Step 3: Cross multiply
    16,820.09x = 25,230.83 × 6,289.04
  4. Step 4: Simplify right side
    16,820.09x = 158,677,730.74
  5. Step 5: Solve for x
    x = 158,677,730.74/16,820.09
  6. Step 6: Final answer
    x = 9,433.82

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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.