Home / 19,969.08-27,558.72-11,472.54

Finding the Fourth Proportional to 19,969.08, 27,558.72 and 11,472.54

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Solution

The fourth proportional to 19,969.08, 27,558.72 and 11,472.54 is: 15,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.08 : 27,558.72 = 11,472.54 : x
  2. Step 2: Convert to fraction form
    19,969.08/27,558.72 = 11,472.54/x
  3. Step 3: Cross multiply
    19,969.08x = 27,558.72 × 11,472.54
  4. Step 4: Simplify right side
    19,969.08x = 316,168,517.55
  5. Step 5: Solve for x
    x = 316,168,517.55/19,969.08
  6. Step 6: Final answer
    x = 15,832.90

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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.