Home / 20,250.46-30,395.13-9,869.50

Finding the Fourth Proportional to 20,250.46, 30,395.13 and 9,869.50

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Solution

The fourth proportional to 20,250.46, 30,395.13 and 9,869.50 is: 14,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.46 : 30,395.13 = 9,869.50 : x
  2. Step 2: Convert to fraction form
    20,250.46/30,395.13 = 9,869.50/x
  3. Step 3: Cross multiply
    20,250.46x = 30,395.13 × 9,869.50
  4. Step 4: Simplify right side
    20,250.46x = 299,984,735.54
  5. Step 5: Solve for x
    x = 299,984,735.54/20,250.46
  6. Step 6: Final answer
    x = 14,813.72

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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.