Home / 19,713.66-27,200.79-11,328.54

Finding the Fourth Proportional to 19,713.66, 27,200.79 and 11,328.54

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Solution

The fourth proportional to 19,713.66, 27,200.79 and 11,328.54 is: 15,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.66 : 27,200.79 = 11,328.54 : x
  2. Step 2: Convert to fraction form
    19,713.66/27,200.79 = 11,328.54/x
  3. Step 3: Cross multiply
    19,713.66x = 27,200.79 × 11,328.54
  4. Step 4: Simplify right side
    19,713.66x = 308,145,237.55
  5. Step 5: Solve for x
    x = 308,145,237.55/19,713.66
  6. Step 6: Final answer
    x = 15,631.05

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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.