Home / 20,063.58-30,099.12-8,970.70

Finding the Fourth Proportional to 20,063.58, 30,099.12 and 8,970.70

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Solution

The fourth proportional to 20,063.58, 30,099.12 and 8,970.70 is: 13,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.58 : 30,099.12 = 8,970.70 : x
  2. Step 2: Convert to fraction form
    20,063.58/30,099.12 = 8,970.70/x
  3. Step 3: Cross multiply
    20,063.58x = 30,099.12 × 8,970.70
  4. Step 4: Simplify right side
    20,063.58x = 270,010,175.78
  5. Step 5: Solve for x
    x = 270,010,175.78/20,063.58
  6. Step 6: Final answer
    x = 13,457.73

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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.