Home / 20,861.55-31,297.19-6,070.14

Finding the Fourth Proportional to 20,861.55, 31,297.19 and 6,070.14

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Solution

The fourth proportional to 20,861.55, 31,297.19 and 6,070.14 is: 9,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861.55 : 31,297.19 = 6,070.14 : x
  2. Step 2: Convert to fraction form
    20,861.55/31,297.19 = 6,070.14/x
  3. Step 3: Cross multiply
    20,861.55x = 31,297.19 × 6,070.14
  4. Step 4: Simplify right side
    20,861.55x = 189,978,294.56
  5. Step 5: Solve for x
    x = 189,978,294.56/20,861.55
  6. Step 6: Final answer
    x = 9,106.62

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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.