Home / 19,477.42-26,861.20-12,760.60

Finding the Fourth Proportional to 19,477.42, 26,861.20 and 12,760.60

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Solution

The fourth proportional to 19,477.42, 26,861.20 and 12,760.60 is: 17,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.42 : 26,861.20 = 12,760.60 : x
  2. Step 2: Convert to fraction form
    19,477.42/26,861.20 = 12,760.60/x
  3. Step 3: Cross multiply
    19,477.42x = 26,861.20 × 12,760.60
  4. Step 4: Simplify right side
    19,477.42x = 342,765,028.72
  5. Step 5: Solve for x
    x = 342,765,028.72/19,477.42
  6. Step 6: Final answer
    x = 17,598.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.