Home / 18,829.53-28,244.30-8,426.97

Finding the Fourth Proportional to 18,829.53, 28,244.30 and 8,426.97

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Solution

The fourth proportional to 18,829.53, 28,244.30 and 8,426.97 is: 12,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.53 : 28,244.30 = 8,426.97 : x
  2. Step 2: Convert to fraction form
    18,829.53/28,244.30 = 8,426.97/x
  3. Step 3: Cross multiply
    18,829.53x = 28,244.30 × 8,426.97
  4. Step 4: Simplify right side
    18,829.53x = 238,013,826.64
  5. Step 5: Solve for x
    x = 238,013,826.64/18,829.53
  6. Step 6: Final answer
    x = 12,640.46

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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.